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1321201314 = 23329843679
BaseRepresentation
bin100111010111111…
…1110111010100010
310102002001222111000
41032233332322202
510201211420224
6335033532430
744512011606
oct11657767242
93362058430
101321201314
11618869114
1230a574116
1318094c134
14c767d506
157aecc0c9
hex4ebfeea2

1321201314 has 32 divisors (see below), whose sum is σ = 3037248000. Its totient is φ = 425213712.

The previous prime is 1321201303. The next prime is 1321201339. The reversal of 1321201314 is 4131021231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420274 + ... + 423405.

It is an arithmetic number, because the mean of its divisors is an integer number (94914000).

Almost surely, 21321201314 is an apocalyptic number.

1321201314 is an abundant number, since it is smaller than the sum of its proper divisors (1716046686).

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

1321201314 is a wasteful number, since it uses less digits than its factorization.

1321201314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843719 (or 843713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1321201314 is about 36348.3330291776. Note that the first 3 decimals coincide. The cubic root of 1321201314 is about 1097.2939860958.

Adding to 1321201314 its reverse (4131021231), we get a palindrome (5452222545).

The spelling of 1321201314 in words is "one billion, three hundred twenty-one million, two hundred one thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1566 843679 1687358 2531037 5062074 7593111 15186222 22779333 24466691 45558666 48933382 73400073 146800146 220200219 440400438 660600657 1321201314