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100000131000 = 23353721161843
BaseRepresentation
bin101110100100001111…
…0001110011110111000
3100120010011212222221120
41131020132032132320
53114300013143000
6113534525505240
710140045042300
oct1351036163670
9316104788846
10100000131000
1139456515570
1217469a12220
139578857263
144ba9096600
1529042636a0
hex174878e7b8

100000131000 has 384 divisors, whose sum is σ = 395940130560. Its totient is φ = 20778912000.

The previous prime is 100000130983. The next prime is 100000131001. The reversal of 100000131000 is 131000001.

It is a super-2 number, since 2×1000001310002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 100000131000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000131001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1586079 + ... + 1647921.

It is an arithmetic number, because the mean of its divisors is an integer number (1031094090).

Almost surely, 2100000131000 is an apocalyptic number.

100000131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197970065280).

100000131000 is an abundant number, since it is smaller than the sum of its proper divisors (295939999560).

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

100000131000 is a wasteful number, since it uses less digits than its factorization.

100000131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61892 (or 61871 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 100000131000 its reverse (131000001), we get a palindrome (100131131001).

The spelling of 100000131000 in words is "one hundred billion, one hundred thirty-one thousand".