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101031133242 = 23134313005269
BaseRepresentation
bin101111000010111101…
…1001100000000111010
3100122210000220100010210
41132011323030000322
53123402432230432
6114225115451550
710204434314604
oct1360573140072
9318700810123
10101031133242
1139935493836
12176b7156bb6
1396b132a660
144c65d94174
152964a1a8cc
hex1785ecc03a

101031133242 has 32 divisors (see below), whose sum is σ = 218110475520. Its totient is φ = 31014365760.

The previous prime is 101031133219. The next prime is 101031133337. The reversal of 101031133242 is 242331130101.

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, 1469017 + ... + 1536252.

It is an arithmetic number, because the mean of its divisors is an integer number (6815952360).

Almost surely, 2101031133242 is an apocalyptic number.

101031133242 is an abundant number, since it is smaller than the sum of its proper divisors (117079342278).

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

101031133242 is a wasteful number, since it uses less digits than its factorization.

101031133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005718.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 101031133242 its reverse (242331130101), we get a palindrome (343362263343).

The spelling of 101031133242 in words is "one hundred one billion, thirty-one million, one hundred thirty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 431 862 1293 2586 5603 11206 16809 33618 3005269 6010538 9015807 18031614 39068497 78136994 117205491 234410982 1295270939 2590541878 3885812817 7771625634 16838522207 33677044414 50515566621 101031133242