Search a number
-
+
20100132354 = 23231289112997
BaseRepresentation
bin10010101110000011…
…111010111000000010
31220212210221112000110
4102232003322320002
5312131113213404
613122303332150
71311046206651
oct225603727002
956783845013
1020100132354
118585000a35
123a8b5b1056
131b84366753
14d8970d198
157c9949b89
hex4ae0fae02

20100132354 has 32 divisors (see below), whose sum is σ = 41981016960. Its totient is φ = 6403709312.

The previous prime is 20100132341. The next prime is 20100132361. The reversal of 20100132354 is 45323100102.

It is a self number, because there is not a number n which added to its sum of digits gives 20100132354.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121384 + ... + 234380.

It is an arithmetic number, because the mean of its divisors is an integer number (1311906780).

Almost surely, 220100132354 is an apocalyptic number.

20100132354 is an abundant number, since it is smaller than the sum of its proper divisors (21880884606).

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

20100132354 is a wasteful number, since it uses less digits than its factorization.

20100132354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114314.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20100132354 its reverse (45323100102), we get a palindrome (65423232456).

The spelling of 20100132354 in words is "twenty billion, one hundred million, one hundred thirty-two thousand, three hundred fifty-four".

Divisors: 1 2 3 6 23 46 69 138 1289 2578 3867 7734 29647 59294 88941 112997 177882 225994 338991 677982 2598931 5197862 7796793 15593586 145653133 291306266 436959399 873918798 3350022059 6700044118 10050066177 20100132354