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72134028960 = 253572193141127
BaseRepresentation
bin100001100101110000…
…1011110111010100000
320220012010220100021020
41003023201132322200
52140212302411320
653045442325440
75132356062300
oct1031341367240
9226163810236
1072134028960
1128656862674
1211b91659880
136a575bb296
1436c41dd600
151d22b4a940
hex10cb85eea0

72134028960 has 1152 divisors, whose sum is σ = 296528117760. Its totient is φ = 14631321600.

The previous prime is 72134028947. The next prime is 72134028977. The reversal of 72134028960 is 6982043127.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 191 ways as a sum of consecutive naturals, for example, 567984417 + ... + 567984543.

It is an arithmetic number, because the mean of its divisors is an integer number (257402880).

Almost surely, 272134028960 is an apocalyptic number.

72134028960 is a gapful number since it is divisible by the number (70) 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 72134028960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148264058880).

72134028960 is an abundant number, since it is smaller than the sum of its proper divisors (224394088800).

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

72134028960 is a wasteful number, since it uses less digits than its factorization.

72134028960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 72134028960 in words is "seventy-two billion, one hundred thirty-four million, twenty-eight thousand, nine hundred sixty".