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100272231720 = 233351931283557
BaseRepresentation
bin101110101100010110…
…0001101010100101000
3100120211010220010222000
41131120230031110220
53120324142403340
6114021525531000
710146560622663
oct1353054152450
9316733803860
10100272231720
11395860738a1
1217524b73a60
1395c00372bb
144bd32866da
15291d0b0d30
hex1758b0d528

100272231720 has 512 divisors, whose sum is σ = 365119488000. Its totient is φ = 24384291840.

The previous prime is 100272231677. The next prime is 100272231743. The reversal of 100272231720 is 27132272001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 180021682 + ... + 180022238.

It is an arithmetic number, because the mean of its divisors is an integer number (713124000).

Almost surely, 2100272231720 is an apocalyptic number.

100272231720 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 100272231720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182559744000).

100272231720 is an abundant number, since it is smaller than the sum of its proper divisors (264847256280).

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

100272231720 is a wasteful number, since it uses less digits than its factorization.

100272231720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The spelling of 100272231720 in words is "one hundred billion, two hundred seventy-two million, two hundred thirty-one thousand, seven hundred twenty".