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28345245374 = 2311741262597
BaseRepresentation
bin11010011001100000…
…100001111010111110
32201011102120122202202
4122121200201322332
5431022340322444
621004400551502
72022264416225
oct323140417276
981142518682
1028345245374
1111026174426
1255b0922592
1328995caa54
14152c77dcbc
15b0d71134e
hex699821ebe

28345245374 has 16 divisors (see below), whose sum is σ = 43914788736. Its totient is φ = 13707511200.

The previous prime is 28345245373. The next prime is 28345245421. The reversal of 28345245374 is 47354254382.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28345245373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23357 + ... + 239240.

It is an arithmetic number, because the mean of its divisors is an integer number (2744674296).

Almost surely, 228345245374 is an apocalyptic number.

28345245374 is a deficient number, since it is larger than the sum of its proper divisors (15569543362).

28345245374 is a wasteful number, since it uses less digits than its factorization.

28345245374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264371.

The product of its digits is 3225600, while the sum is 47.

The spelling of 28345245374 in words is "twenty-eight billion, three hundred forty-five million, two hundred forty-five thousand, three hundred seventy-four".

Divisors: 1 2 31 62 1741 3482 53971 107942 262597 525194 8140507 16281014 457181377 914362754 14172622687 28345245374