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105972572160 = 2133757132
BaseRepresentation
bin110001010110001110…
…1010010000000000000
3101010112102002110000000
41202230131102000000
53214012434302120
6120403320000000
710441046000220
oct1425435220000
9333472073000
10105972572160
1140a40832a54
1218656000000
139cbacc4200
1451b4370080
152b53755990
hex18ac752000

105972572160 has 1344 divisors, whose sum is σ = 472019132160. Its totient is φ = 22359048192.

The previous prime is 105972572137. The next prime is 105972572171. The reversal of 105972572160 is 61275279501.

105972572160 is a `hidden beast` number, since 1 + 0 + 5 + 9 + 72 + 572 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×1059725721602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8151736314 + ... + 8151736326.

Almost surely, 2105972572160 is an apocalyptic number.

105972572160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105972572160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236009566080).

105972572160 is an abundant number, since it is smaller than the sum of its proper divisors (366046560000).

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

105972572160 is an frugal number, since it uses more digits than its factorization.

105972572160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 105972572160 in words is "one hundred five billion, nine hundred seventy-two million, five hundred seventy-two thousand, one hundred sixty".