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87672292443872 = 254166823393631
BaseRepresentation
bin10011111011110011001011…
…110110010000011011100000
3102111102101111210122201011122
4103323303023312100123200
542442410323331200442
6510244032314231412
724316054064636213
oct2373631366203340
9374371453581148
1087672292443872
1125a31679522064
1299bb589425568
1339bc600490446
14179150c30977a
15a20856993dd2
hex4fbccbd906e0

87672292443872 has 24 divisors (see below), whose sum is σ = 176814699550272. Its totient is φ = 42766971923200.

The previous prime is 87672292443817. The next prime is 87672292443881. The reversal of 87672292443872 is 27834429227678.

It is a junction number, because it is equal to n+sod(n) for n = 87672292443796 and 87672292443805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33411695504 + ... + 33411698127.

It is an arithmetic number, because the mean of its divisors is an integer number (7367279147928).

Almost surely, 287672292443872 is an apocalyptic number.

87672292443872 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

87672292443872 is an abundant number, since it is smaller than the sum of its proper divisors (89142407106400).

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

87672292443872 is a wasteful number, since it uses less digits than its factorization.

87672292443872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66823393682 (or 66823393674 counting only the distinct ones).

The product of its digits is 910393344, while the sum is 71.

The spelling of 87672292443872 in words is "eighty-seven trillion, six hundred seventy-two billion, two hundred ninety-two million, four hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 66823393631 133646787262 267293574524 534587149048 1069174298096 2138348596192 2739759138871 5479518277742 10959036555484 21918073110968 43836146221936 87672292443872