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101112000020 = 22531163083871
BaseRepresentation
bin101111000101010111…
…1101010111000010100
3100122222200001210111122
41132022233222320110
53124034133000040
6114241125023112
710206435551033
oct1361257527024
9318880053448
10101112000020
11399770a7189
121771a254a98
1396c5002415
144c72a0471a
15296bb911b5
hex178abeae14

101112000020 has 24 divisors (see below), whose sum is σ = 219184723968. Its totient is φ = 39140128800.

The previous prime is 101112000013. The next prime is 101112000037. The reversal of 101112000020 is 20000211101.

It is a junction number, because it is equal to n+sod(n) for n = 101111999971 and 101112000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81541316 + ... + 81542555.

It is an arithmetic number, because the mean of its divisors is an integer number (9132696832).

Almost surely, 2101112000020 is an apocalyptic number.

101112000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112000020 is an abundant number, since it is smaller than the sum of its proper divisors (118072723948).

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

101112000020 is a wasteful number, since it uses less digits than its factorization.

101112000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163083911 (or 163083909 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101112000020 its reverse (20000211101), we get a palindrome (121112211121).

The spelling of 101112000020 in words is "one hundred one billion, one hundred twelve million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 163083871 326167742 652335484 815419355 1630838710 3261677420 5055600001 10111200002 20222400004 25278000005 50556000010 101112000020