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3101312140 = 225579126777
BaseRepresentation
bin1011100011011010…
…0100010010001100
322000010122222110121
42320312210102030
522322413442030
61231423514324
7136565501233
oct27066442214
98003588417
103101312140
111351678793
127267589a4
133a5697354
14215c59b1a
1513240747a
hexb8da448c

3101312140 has 24 divisors (see below), whose sum is σ = 6514123392. Its totient is φ = 1240264320.

The previous prime is 3101312129. The next prime is 3101312173. The reversal of 3101312140 is 412131013.

It is a super-2 number, since 2×31013121402 = 19236273979422759200, which contains 22 as substring.

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, 102432 + ... + 129208.

It is an arithmetic number, because the mean of its divisors is an integer number (271421808).

Almost surely, 23101312140 is an apocalyptic number.

It is an amenable number.

3101312140 is an abundant number, since it is smaller than the sum of its proper divisors (3412811252).

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

3101312140 is a wasteful number, since it uses less digits than its factorization.

3101312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32577 (or 32575 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3101312140 is about 55689.4257467250. The cubic root of 3101312140 is about 1458.3054305700.

Adding to 3101312140 its reverse (412131013), we get a palindrome (3513443153).

The spelling of 3101312140 in words is "three billion, one hundred one million, three hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5791 11582 23164 26777 28955 53554 57910 107108 115820 133885 267770 535540 155065607 310131214 620262428 775328035 1550656070 3101312140