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85952166976 = 2613228192
BaseRepresentation
bin101000000001100100…
…1011111110001000000
322012212011011111002201
41100003021133301000
52402012223320401
6103252541122544
76131655236044
oct1200311376100
9265764144081
1085952166976
11334a7837245
12147a9259454
13814a323900
144235496024
152380d08b01
hex140325fc40

85952166976 has 63 divisors (see below), whose sum is σ = 184756212021. Its totient is φ = 39656158464.

The previous prime is 85952166973. The next prime is 85952167001. The reversal of 85952166976 is 67966125958.

The square root of 85952166976 is 293176.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12714817600 + 73237349376 = 112760^2 + 270624^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85952166973) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30488895 + ... + 30491713.

Almost surely, 285952166976 is an apocalyptic number.

85952166976 is the 293176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85952166976

85952166976 is an abundant number, since it is smaller than the sum of its proper divisors (98804045045).

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

85952166976 is an frugal number, since it uses more digits than its factorization.

85952166976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 2834 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 64.

Multiplying 85952166976 by its sum of digits (64), we get a square (5500938686464 = 23454082).

85952166976 divided by its sum of digits (64) gives a square (1343002609 = 366472).

The spelling of 85952166976 in words is "eighty-five billion, nine hundred fifty-two million, one hundred sixty-six thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 169 208 338 416 676 832 1352 2704 2819 5408 5638 10816 11276 22552 36647 45104 73294 90208 146588 180416 293176 476411 586352 952822 1172704 1905644 2345408 3811288 7622576 7946761 15245152 15893522 30490304 31787044 63574088 103307893 127148176 206615786 254296352 413231572 508592704 826463144 1343002609 1652926288 2686005218 3305852576 5372010436 6611705152 10744020872 21488041744 42976083488 85952166976