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72574141809 = 3132588971879
BaseRepresentation
bin100001110010111000…
…0011000010101110001
320221022211001101121010
41003211300120111301
52142112440014214
653201243421133
75146312012161
oct1034560302561
9227284041533
1072574141809
11288622359a4
1212094b247a9
136ac78358a0
1437268465a1
151d4b5d4659
hex10e5c18571

72574141809 has 16 divisors (see below), whose sum is σ = 104214499200. Its totient is φ = 44658663936.

The previous prime is 72574141793. The next prime is 72574141837. The reversal of 72574141809 is 90814147527.

It is not a de Polignac number, because 72574141809 - 24 = 72574141793 is a prime.

It is a super-3 number, since 3×725741418093 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72574141609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973732 + ... + 1045610.

It is an arithmetic number, because the mean of its divisors is an integer number (6513406200).

Almost surely, 272574141809 is an apocalyptic number.

It is an amenable number.

72574141809 is a deficient number, since it is larger than the sum of its proper divisors (31640357391).

72574141809 is a wasteful number, since it uses less digits than its factorization.

72574141809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97784.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 72574141809 in words is "seventy-two billion, five hundred seventy-four million, one hundred forty-one thousand, eight hundred nine".

Divisors: 1 3 13 39 25889 71879 77667 215637 336557 934427 1009671 2803281 1860875431 5582626293 24191380603 72574141809