Base | Representation |
---|---|
bin | 10111011010111110… |
… | …10100000000000100 |
3 | 1012110022211211001210 |
4 | 23231133110000010 |
5 | 201223012440142 |
6 | 5435423451420 |
7 | 623414103426 |
oct | 135537240004 |
9 | 35408754053 |
10 | 12574343172 |
11 | 5372986156 |
12 | 252b156b70 |
13 | 1255149261 |
14 | 874006816 |
15 | 4d8dc149c |
hex | 2ed7d4004 |
12574343172 has 12 divisors (see below), whose sum is σ = 29340134096. Its totient is φ = 4191447720.
The previous prime is 12574343137. The next prime is 12574343183. The reversal of 12574343172 is 27134347521.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×125743431722 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12574343172.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523930954 + ... + 523930977.
Almost surely, 212574343172 is an apocalyptic number.
12574343172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12574343172 is an abundant number, since it is smaller than the sum of its proper divisors (16765790924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12574343172 is a wasteful number, since it uses less digits than its factorization.
12574343172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1047861938 (or 1047861936 counting only the distinct ones).
The product of its digits is 141120, while the sum is 39.
It can be divided in two parts, 12574 and 343172, that added together give a triangular number (355746 = T843).
The spelling of 12574343172 in words is "twelve billion, five hundred seventy-four million, three hundred forty-three thousand, one hundred seventy-two".
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