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72269124481 = 2326931166779
BaseRepresentation
bin100001101001110010…
…0110101001110000001
320220112120002220111001
41003103210311032001
52141001343440411
653111110052001
75135616264631
oct1032344651601
9226476086431
1072269124481
1128716044964
121200a94a001
136a7959c168
1436d81286c1
151d2e933dc1
hex10d3935381

72269124481 has 8 divisors (see below), whose sum is σ = 75439327680. Its totient is φ = 69101260272.

The previous prime is 72269124461. The next prime is 72269124491. The reversal of 72269124481 is 18442196227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72269124481 - 223 = 72260735873 is a prime.

It is a super-2 number, since 2×722691244812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72269124461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521451 + ... + 645328.

It is an arithmetic number, because the mean of its divisors is an integer number (9429915960).

Almost surely, 272269124481 is an apocalyptic number.

It is an amenable number.

72269124481 is a deficient number, since it is larger than the sum of its proper divisors (3170203199).

72269124481 is a wasteful number, since it uses less digits than its factorization.

72269124481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169495.

The product of its digits is 387072, while the sum is 46.

The spelling of 72269124481 in words is "seventy-two billion, two hundred sixty-nine million, one hundred twenty-four thousand, four hundred eighty-one".

Divisors: 1 23 2693 61939 1166779 26835917 3142135847 72269124481