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3102131140 = 225198163503
BaseRepresentation
bin1011100011100110…
…1100001111000100
322000012012120220221
42320321230033010
522323121144030
61231453234124
7136605452053
oct27071541704
98005176827
103102131140
111352088049
12726a92944
133a58c3074
14215dd039a
15132519e7a
hexb8e6c3c4

3102131140 has 24 divisors (see below), whose sum is σ = 6857343360. Its totient is φ = 1175544288.

The previous prime is 3102131119. The next prime is 3102131143. The reversal of 3102131140 is 411312013.

3102131140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3102131143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4081372 + ... + 4082131.

It is an arithmetic number, because the mean of its divisors is an integer number (285722640).

Almost surely, 23102131140 is an apocalyptic number.

It is an amenable number.

3102131140 is an abundant number, since it is smaller than the sum of its proper divisors (3755212220).

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

3102131140 is a wasteful number, since it uses less digits than its factorization.

3102131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163531 (or 8163529 counting only the distinct ones).

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

The square root of 3102131140 is about 55696.7785423897. The cubic root of 3102131140 is about 1458.4337898981.

Adding to 3102131140 its reverse (411312013), we get a palindrome (3513443153).

The spelling of 3102131140 in words is "three billion, one hundred two million, one hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 8163503 16327006 32654012 40817515 81635030 155106557 163270060 310213114 620426228 775532785 1551065570 3102131140