Base | Representation |
---|---|
bin | 100010101011000001… |
… | …0100111010111001000 |
3 | 21010012002210210020001 |
4 | 1011112002213113020 |
5 | 2204442220020440 |
6 | 54112220412344 |
7 | 5244065206042 |
oct | 1052602472710 |
9 | 233162723201 |
10 | 74457970120 |
11 | 29639645aa6 |
12 | 1251b9a70b4 |
13 | 7037bc66b1 |
14 | 3864b00a92 |
15 | 1e0bb9ab9a |
hex | 11560a75c8 |
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".
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