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28996610356 = 2271035593227
BaseRepresentation
bin11011000000010101…
…010010100100110100
32202211211020102112201
4123000111102210310
5433341113012411
621153145554244
72044364056420
oct330025224464
982754212481
1028996610356
111132a91559a
125752aa5984
13297153c10c
141591097b80
15b4a9c83c1
hex6c0552934

28996610356 has 12 divisors (see below), whose sum is σ = 57993220768. Its totient is φ = 12427118712.

The previous prime is 28996610351. The next prime is 28996610387. The reversal of 28996610356 is 65301669982.

28996610356 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28996610297 and 28996610306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28996610351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517796586 + ... + 517796641.

Almost surely, 228996610356 is an apocalyptic number.

It is an amenable number.

28996610356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28996610356 is a wasteful number, since it uses less digits than its factorization.

28996610356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035593238 (or 1035593236 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 28996610356 in words is "twenty-eight billion, nine hundred ninety-six million, six hundred ten thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 1035593227 2071186454 4142372908 7249152589 14498305178 28996610356