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83925862128 = 2433375250617
BaseRepresentation
bin100111000101001011…
…1110000011011110000
322000121221022112102000
41032022113300123300
52333340010042003
6102315514254000
76030522025533
oct1161227603360
9260557275360
1083925862128
1132657a63439
1214322727300
137bb6599464
1440c2310a1a
1522b2e9c1a3
hex138a5f06f0

83925862128 has 80 divisors (see below), whose sum is σ = 247409120160. Its totient is φ = 27219193344.

The previous prime is 83925862117. The next prime is 83925862133. The reversal of 83925862128 is 82126852938.

It is a happy number.

83925862128 is a `hidden beast` number, since 8 + 3 + 9 + 2 + 5 + 8 + 621 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2609325 + ... + 2641292.

It is an arithmetic number, because the mean of its divisors is an integer number (3092614002).

Almost surely, 283925862128 is an apocalyptic number.

It is an amenable number.

83925862128 is an abundant number, since it is smaller than the sum of its proper divisors (163483258032).

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

83925862128 is a wasteful number, since it uses less digits than its factorization.

83925862128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250671 (or 5250659 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 83925862128 in words is "eighty-three billion, nine hundred twenty-five million, eight hundred sixty-two thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 37 48 54 72 74 108 111 144 148 216 222 296 333 432 444 592 666 888 999 1332 1776 1998 2664 3996 5328 7992 15984 5250617 10501234 15751851 21002468 31503702 42004936 47255553 63007404 84009872 94511106 126014808 141766659 189022212 194272829 252029616 283533318 378044424 388545658 567066636 582818487 756088848 777091316 1134133272 1165636974 1554182632 1748455461 2268266544 2331273948 3108365264 3496910922 4662547896 5245366383 6993821844 9325095792 10490732766 13987643688 20981465532 27975287376 41962931064 83925862128