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85766151936 = 283155371909
BaseRepresentation
bin100111111100000001…
…1111001111100000000
322012101012010221102210
41033320003321330000
52401122113330221
6103222254142120
76124236156123
oct1177003717400
9265335127383
1085766151936
1133411836403
1214756ab1940
13811a924c3a
1442188b43ba
15236e813276
hex13f80f9f00

85766151936 has 72 divisors (see below), whose sum is σ = 228413198160. Its totient is φ = 28569911296.

The previous prime is 85766151923. The next prime is 85766151973. The reversal of 85766151936 is 63915166758.

It is a congruent number.

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, 1156750 + ... + 1228658.

It is an arithmetic number, because the mean of its divisors is an integer number (3172405530).

Almost surely, 285766151936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85766151936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114206599080).

85766151936 is an abundant number, since it is smaller than the sum of its proper divisors (142647046224).

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

85766151936 is a wasteful number, since it uses less digits than its factorization.

85766151936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73481 (or 73467 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 57.

The spelling of 85766151936 in words is "eighty-five billion, seven hundred sixty-six million, one hundred fifty-one thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 1553 3106 4659 6212 9318 12424 18636 24848 37272 49696 71909 74544 99392 143818 149088 198784 215727 287636 298176 397568 431454 575272 596352 862908 1150544 1192704 1725816 2301088 3451632 4602176 6903264 9204352 13806528 18408704 27613056 55226112 111674677 223349354 335024031 446698708 670048062 893397416 1340096124 1786794832 2680192248 3573589664 5360384496 7147179328 10720768992 14294358656 21441537984 28588717312 42883075968 85766151936