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6980802345 = 345113973947
BaseRepresentation
bin1101000000001011…
…01001011100101001
3200000111121111120000
412200011221130221
5103244041133340
63112410453213
7334663561266
oct64005513451
920014544500
106980802345
112a62532140
121429a34209
13873343a9a
144a31a026d
152accc5d30
hex1a0169729

6980802345 has 80 divisors (see below), whose sum is σ = 13689200448. Its totient is φ = 3375250560.

The previous prime is 6980802341. The next prime is 6980802349. The reversal of 6980802345 is 5432080896.

It is an interprime number because it is at equal distance from previous prime (6980802341) and next prime (6980802349).

It is not a de Polignac number, because 6980802345 - 22 = 6980802341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6980802345.

It is not an unprimeable number, because it can be changed into a prime (6980802341) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1766662 + ... + 1770608.

Almost surely, 26980802345 is an apocalyptic number.

It is an amenable number.

6980802345 is a deficient number, since it is larger than the sum of its proper divisors (6708398103).

6980802345 is a wasteful number, since it uses less digits than its factorization.

6980802345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4363 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6980802345 is about 83551.1959519431. The cubic root of 6980802345 is about 1911.1808296263.

The spelling of 6980802345 in words is "six billion, nine hundred eighty million, eight hundred two thousand, three hundred forty-five".

Divisors: 1 3 5 9 11 15 27 33 45 55 81 99 135 165 297 397 405 495 891 1191 1485 1985 3573 3947 4367 4455 5955 10719 11841 13101 17865 19735 21835 32157 35523 39303 43417 53595 59205 65505 106569 117909 130251 160785 177615 196515 217085 319707 353727 390753 532845 589545 651255 1172259 1566959 1598535 1768635 1953765 3516777 4700877 5861295 7834795 14102631 17236549 17583885 23504385 42307893 51709647 70513155 86182745 126923679 155128941 211539465 258548235 465386823 634618395 775644705 1396160469 2326934115 6980802345