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7128275268 = 2231035767213
BaseRepresentation
bin1101010001110000…
…01101100101000100
3200101210002220101010
412220320031211010
5104044314302033
63135155402220
7341434224432
oct65070154504
920353086333
107128275268
1130287a8794
12146b2b3370
13897a6967a
144b89cbd52
152bac06863
hex1a8e0d944

7128275268 has 24 divisors (see below), whose sum is σ = 16794127168. Its totient is φ = 2353022496.

The previous prime is 7128275267. The next prime is 7128275279. The reversal of 7128275268 is 8625728217.

It is not an unprimeable number, because it can be changed into a prime (7128275263) 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, 2882371 + ... + 2884842.

Almost surely, 27128275268 is an apocalyptic number.

It is an amenable number.

7128275268 is an abundant number, since it is smaller than the sum of its proper divisors (9665851900).

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

7128275268 is a wasteful number, since it uses less digits than its factorization.

7128275268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767323 (or 5767321 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 7128275268 is about 84429.1138648275. The cubic root of 7128275268 is about 1924.5453712914.

The spelling of 7128275268 in words is "seven billion, one hundred twenty-eight million, two hundred seventy-five thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 5767213 11534426 17301639 23068852 34603278 69206556 594022939 1188045878 1782068817 2376091756 3564137634 7128275268