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28088296232 = 2331901112569
BaseRepresentation
bin11010001010001100…
…010110001100101000
32200111112002021210212
4122022030112030220
5430011100434412
620523101400252
72013024402323
oct321214261450
980445067725
1028088296232
1110a04124767
12553a869088
1328582c4339
1415065b57ba
15ae5da8222
hex68a316328

28088296232 has 32 divisors (see below), whose sum is σ = 54374803200. Its totient is φ = 13588521600.

The previous prime is 28088296207. The next prime is 28088296259. The reversal of 28088296232 is 23269288082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228444 + ... + 2241012.

It is an arithmetic number, because the mean of its divisors is an integer number (1699212600).

Almost surely, 228088296232 is an apocalyptic number.

It is an amenable number.

28088296232 is a deficient number, since it is larger than the sum of its proper divisors (26286506968).

28088296232 is a wasteful number, since it uses less digits than its factorization.

28088296232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21617 (or 21613 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The spelling of 28088296232 in words is "twenty-eight billion, eighty-eight million, two hundred ninety-six thousand, two hundred thirty-two".

Divisors: 1 2 4 8 31 62 124 248 9011 12569 18022 25138 36044 50276 72088 100552 279341 389639 558682 779278 1117364 1558556 2234728 3117112 113259259 226518518 453037036 906074072 3511037029 7022074058 14044148116 28088296232