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72207880140484 = 221121922927012
BaseRepresentation
bin10000011010110000110101…
…000010111011011011000100
3100110200000011022121220211001
4100122300311002323123010
533431023214303443414
6413323501525223044
721131563404130444
oct2032606502733304
9313600138556731
1072207880140484
112100a20a97a300
128122454b61a84
13313a23502535a
1413b8c46bc0124
1585345cb69074
hex41ac350bb6c4

72207880140484 has 243 divisors, whose sum is σ = 152036836439943. Its totient is φ = 29979257616000.

The previous prime is 72207880140439. The next prime is 72207880140497. The reversal of 72207880140484 is 48404108870227.

The square root of 72207880140484 is 8497522.

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

It can be written as a sum of positive squares in 4 ways, for example, as 12537817010884 + 59670063129600 = 3540878^2 + 7724640^2 .

It is a super-3 number, since 3×722078801404843 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 103006961334 + ... + 103006962034.

Almost surely, 272207880140484 is an apocalyptic number.

72207880140484 is the 8497522-nd square number.

It is an amenable number.

72207880140484 is an abundant number, since it is smaller than the sum of its proper divisors (79828956299459).

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

72207880140484 is a wasteful number, since it uses less digits than its factorization.

72207880140484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 6422528, while the sum is 55.

The spelling of 72207880140484 in words is "seventy-two trillion, two hundred seven billion, eight hundred eighty million, one hundred forty thousand, four hundred eighty-four".