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8985125720 = 2352324414001
BaseRepresentation
bin10000101111000111…
…00010001101011000
3212012012002200100002
420113203202031120
5121400143010340
64043330232132
7435442210544
oct102743421530
925165080302
108985125720
1138a0961a3a
1218a9125648
13b02672c4c
14613462a24
15378c3e715
hex2178e2358

8985125720 has 64 divisors (see below), whose sum is σ = 21109429440. Its totient is φ = 3435520000.

The previous prime is 8985125711. The next prime is 8985125749. The reversal of 8985125720 is 275215898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243720 + ... + 2247720.

It is an arithmetic number, because the mean of its divisors is an integer number (329834835).

Almost surely, 28985125720 is an apocalyptic number.

It is an amenable number.

8985125720 is an abundant number, since it is smaller than the sum of its proper divisors (12124303720).

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

8985125720 is a wasteful number, since it uses less digits than its factorization.

8985125720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476 (or 6472 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 8985125720 is about 94789.9030487952. The cubic root of 8985125720 is about 2078.9372745497.

The spelling of 8985125720 in words is "eight billion, nine hundred eighty-five million, one hundred twenty-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 2441 4001 4882 8002 9764 12205 16004 19528 20005 24410 32008 40010 48820 56143 80020 92023 97640 112286 160040 184046 224572 280715 368092 449144 460115 561430 736184 920230 1122860 1840460 2245720 3680920 9766441 19532882 39065764 48832205 78131528 97664410 195328820 224628143 390657640 449256286 898512572 1123140715 1797025144 2246281430 4492562860 8985125720