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20125464411450 = 2352134169762743
BaseRepresentation
bin1001001001101110100110…
…01010000011110100111010
32122020222100012212222110110
410210313103022003310322
510114213422342131300
6110445302151525150
74145005524642666
oct444672312036472
978228305788413
1020125464411450
11645a185a99382
1223105493897b6
13b2ca91601158
144d81131d58a6
1524d79992b550
hex124dd3283d3a

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".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 134169762743 268339525486 402509288229 670848813715 805018576458 1341697627430 2012546441145 3354244068575 4025092882290 6708488137150 10062732205725 20125464411450