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100421310252 = 22323631576617
BaseRepresentation
bin101110110000110010…
…0111001011100101100
3100121012112102010021010
41131201210321130230
53121130323412002
6114044413105220
710153351024164
oct1354144713454
9317175363233
10100421310252
113965223679a
1217566a88210
139614ba2953
144c08db15a4
15292b20c46c
hex176193972c

100421310252 has 48 divisors (see below), whose sum is σ = 244891971072. Its totient is φ = 31967591040.

The previous prime is 100421310239. The next prime is 100421310257. The reversal of 100421310252 is 252013124001.

It is not an unprimeable number, because it can be changed into a prime (100421310257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114153 + ... + 462464.

It is an arithmetic number, because the mean of its divisors is an integer number (5101916064).

Almost surely, 2100421310252 is an apocalyptic number.

100421310252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100421310252 is an abundant number, since it is smaller than the sum of its proper divisors (144470660820).

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

100421310252 is a wasteful number, since it uses less digits than its factorization.

100421310252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577278 (or 577276 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 100421310252 its reverse (252013124001), we get a palindrome (352434434253).

The spelling of 100421310252 in words is "one hundred billion, four hundred twenty-one million, three hundred ten thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 631 1262 1893 2524 3786 7572 14513 29026 43539 58052 87078 174156 576617 1153234 1729851 2306468 3459702 6919404 13262191 26524382 39786573 53048764 79573146 159146292 363845327 727690654 1091535981 1455381308 2183071962 4366143924 8368442521 16736885042 25105327563 33473770084 50210655126 100421310252