Base | Representation |
---|---|
bin | 1001001001101110100110… |
… | …01010000011110100111010 |
3 | 2122020222100012212222110110 |
4 | 10210313103022003310322 |
5 | 10114213422342131300 |
6 | 110445302151525150 |
7 | 4145005524642666 |
oct | 444672312036472 |
9 | 78228305788413 |
10 | 20125464411450 |
11 | 645a185a99382 |
12 | 23105493897b6 |
13 | b2ca91601158 |
14 | 4d81131d58a6 |
15 | 24d79992b550 |
hex | 124dd3283d3a |
20125464411450 has 24 divisors (see below), whose sum is σ = 49911151740768. Its totient is φ = 5366790509680.
The previous prime is 20125464411449. The next prime is 20125464411457. The reversal of 20125464411450 is 5411446452102.
It is a super-2 number, since 2×201254644114502 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20125464411399 and 20125464411408.
It is not an unprimeable number, because it can be changed into a prime (20125464411457) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67084881222 + ... + 67084881521.
It is an arithmetic number, because the mean of its divisors is an integer number (2079631322532).
Almost surely, 220125464411450 is an apocalyptic number.
20125464411450 is an abundant number, since it is smaller than the sum of its proper divisors (29785687329318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20125464411450 is a wasteful number, since it uses less digits than its factorization.
20125464411450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134169762758 (or 134169762753 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 39.
The spelling of 20125464411450 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-four million, four hundred eleven thousand, four hundred fifty".
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