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101312013020 = 2255065600651
BaseRepresentation
bin101111001011010101…
…0101010001011011100
3100200111121102111202112
41132112222222023130
53124441333404040
6114313032013152
710214414621231
oct1362652521334
9320447374675
10101312013020
1139a69a98989
12177752311b8
1397275925ca
144c913cb788
15297e4ee365
hex1796aaa2dc

101312013020 has 12 divisors (see below), whose sum is σ = 212755227384. Its totient is φ = 40524805200.

The previous prime is 101312012969. The next prime is 101312013041. The reversal of 101312013020 is 20310213101.

It is a junction number, because it is equal to n+sod(n) for n = 101312012986 and 101312013004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532800306 + ... + 2532800345.

It is an arithmetic number, because the mean of its divisors is an integer number (17729602282).

Almost surely, 2101312013020 is an apocalyptic number.

101312013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101312013020 is an abundant number, since it is smaller than the sum of its proper divisors (111443214364).

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

101312013020 is a wasteful number, since it uses less digits than its factorization.

101312013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065600660 (or 5065600658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101312013020 its reverse (20310213101), we get a palindrome (121622226121).

The spelling of 101312013020 in words is "one hundred one billion, three hundred twelve million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 5065600651 10131201302 20262402604 25328003255 50656006510 101312013020