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74457970120 = 2353340955717
BaseRepresentation
bin100010101011000001…
…0100111010111001000
321010012002210210020001
41011112002213113020
52204442220020440
654112220412344
75244065206042
oct1052602472710
9233162723201
1074457970120
1129639645aa6
121251b9a70b4
137037bc66b1
143864b00a92
151e0bb9ab9a
hex11560a75c8

74457970120 has 32 divisors (see below), whose sum is σ = 167538454200. Its totient is φ = 29781762048.

The previous prime is 74457970117. The next prime is 74457970123. The reversal of 74457970120 is 2107975447.

It is an interprime number because it is at equal distance from previous prime (74457970117) and next prime (74457970123).

It can be written as a sum of positive squares in 4 ways, for example, as 63755240004 + 10702730116 = 252498^2 + 103454^2 .

It is not an unprimeable number, because it can be changed into a prime (74457970123) 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, 1308502 + ... + 1364218.

Almost surely, 274457970120 is an apocalyptic number.

It is an amenable number.

74457970120 is an abundant number, since it is smaller than the sum of its proper divisors (93080484080).

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

74457970120 is a wasteful number, since it uses less digits than its factorization.

74457970120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89137 (or 89133 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 74457970120 in words is "seventy-four billion, four hundred fifty-seven million, nine hundred seventy thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 33409 55717 66818 111434 133636 167045 222868 267272 278585 334090 445736 557170 668180 1114340 1336360 2228680 1861449253 3722898506 7445797012 9307246265 14891594024 18614492530 37228985060 74457970120