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8749022028 = 2231123964871
BaseRepresentation
bin10000010010111101…
…10111101101001100
3211120201211100221220
420021132313231030
5120404222201103
64004053523340
7426544313565
oct101136675514
924521740856
108749022028
11378a65a81a
121842043550
13a95787716
145cdd6316c
15363152c53
hex2097b7b4c

8749022028 has 24 divisors (see below), whose sum is σ = 20416515840. Its totient is φ = 2916036240.

The previous prime is 8749021907. The next prime is 8749022033. The reversal of 8749022028 is 8202209478.

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, 102433 + ... + 167303.

It is an arithmetic number, because the mean of its divisors is an integer number (850688160).

Almost surely, 28749022028 is an apocalyptic number.

It is an amenable number.

8749022028 is an abundant number, since it is smaller than the sum of its proper divisors (11667493812).

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

8749022028 is a wasteful number, since it uses less digits than its factorization.

8749022028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76117 (or 76115 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 8749022028 is about 93536.2070430483. The cubic root of 8749022028 is about 2060.5658755843.

The spelling of 8749022028 in words is "eight billion, seven hundred forty-nine million, twenty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 11239 22478 33717 44956 64871 67434 129742 134868 194613 259484 389226 778452 729085169 1458170338 2187255507 2916340676 4374511014 8749022028