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10111020100 = 2252101110201
BaseRepresentation
bin10010110101010100…
…11110110001000100
3222002122200001001221
421122222132301010
5131201410120400
64351150130124
7505363152466
oct113252366104
928078601057
1010111020100
114319453065
121b621b0944
13c519bbc3c
146bcbc2136
153e29dcc1a
hex25aa9ec44

10111020100 has 18 divisors (see below), whose sum is σ = 21940913834. Its totient is φ = 4044408000.

The previous prime is 10111020097. The next prime is 10111020121. The reversal of 10111020100 is 102011101.

It can be written as a sum of positive squares in 3 ways, for example, as 414285316 + 9696734784 = 20354^2 + 98472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50555001 + ... + 50555200.

Almost surely, 210111020100 is an apocalyptic number.

10111020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111020100 is an abundant number, since it is smaller than the sum of its proper divisors (11829893734).

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

10111020100 is a wasteful number, since it uses less digits than its factorization.

10111020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110215 (or 101110208 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10111020100 its reverse (102011101), we get a palindrome (10213031201).

The spelling of 10111020100 in words is "ten billion, one hundred eleven million, twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101110201 202220402 404440804 505551005 1011102010 2022204020 2527755025 5055510050 10111020100