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3101111013020 = 225155055550651
BaseRepresentation
bin101101001000001000100…
…111101100111010011100
3101222110111202110221001012
4231020020213230322130
5401302033404404040
610332344123234352
7440022264454436
oct55101047547234
911873452427035
103101111013020
11a961a0359359
124210239789b8
13196583577ca7
14aa147721656
1555a0128c865
hex2d2089ece9c

3101111013020 has 12 divisors (see below), whose sum is σ = 6512333127384. Its totient is φ = 1240444405200.

The previous prime is 3101111012983. The next prime is 3101111013041. The reversal of 3101111013020 is 203101111013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3101111012986 and 3101111013004.

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, 77527775306 + ... + 77527775345.

It is an arithmetic number, because the mean of its divisors is an integer number (542694427282).

Almost surely, 23101111013020 is an apocalyptic number.

It is an amenable number.

3101111013020 is an abundant number, since it is smaller than the sum of its proper divisors (3411222114364).

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

3101111013020 is a wasteful number, since it uses less digits than its factorization.

3101111013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155055550660 (or 155055550658 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 3101111013020 its reverse (203101111013), we get a palindrome (3304212124033).

The spelling of 3101111013020 in words is "three trillion, one hundred one billion, one hundred eleven million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 155055550651 310111101302 620222202604 775277753255 1550555506510 3101111013020