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1069968198 = 2313109317397
BaseRepresentation
bin111111110001100…
…110101101000110
32202120100000102210
4333301212231012
54142402440243
6254101044250
735341402545
oct7761465506
92676300383
101069968198
114a9a72a42
1225a3b6686
131408973a0
14a216215c
1563e02933
hex3fc66b46

1069968198 has 64 divisors (see below), whose sum is σ = 2338902720. Its totient is φ = 324352512.

The previous prime is 1069968197. The next prime is 1069968199. The reversal of 1069968198 is 8918699601.

It is an interprime number because it is at equal distance from previous prime (1069968197) and next prime (1069968199).

It is a super-2 number, since 2×10699681982 = 2289663889462734408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069968191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2694936 + ... + 2695332.

It is an arithmetic number, because the mean of its divisors is an integer number (36545355).

Almost surely, 21069968198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1069968198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169451360).

1069968198 is an abundant number, since it is smaller than the sum of its proper divisors (1268934522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069968198 is a wasteful number, since it uses less digits than its factorization.

1069968198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 1679616, while the sum is 57.

The square root of 1069968198 is about 32710.3683562261. The cubic root of 1069968198 is about 1022.7989885304.

The spelling of 1069968198 in words is "one billion, sixty-nine million, nine hundred sixty-eight thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 78 109 218 317 327 397 634 654 794 951 1191 1417 1902 2382 2834 4121 4251 5161 8242 8502 10322 12363 15483 24726 30966 34553 43273 69106 86546 103659 125849 129819 207318 251698 259638 377547 449189 562549 755094 898378 1125098 1347567 1636037 1687647 2695134 3272074 3375294 4908111 9816222 13717541 27435082 41152623 82305246 178328033 356656066 534984099 1069968198