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101320431140 = 2258875711411
BaseRepresentation
bin101111001011100101…
…0110001011000100100
3100200112012021012020202
41132113022301120210
53130001012244030
6114313532250032
710214546311655
oct1362712613044
9320465235222
10101320431140
1139a73818605
1217778010918
13972924c146
144c9257d52c
152980113745
hex17972b1624

101320431140 has 24 divisors (see below), whose sum is σ = 213012821952. Its totient is φ = 40482474080.

The previous prime is 101320431089. The next prime is 101320431143. The reversal of 101320431140 is 41134023101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (101320431143) 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, 2837966 + ... + 2873445.

It is an arithmetic number, because the mean of its divisors is an integer number (8875534248).

Almost surely, 2101320431140 is an apocalyptic number.

101320431140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101320431140 is an abundant number, since it is smaller than the sum of its proper divisors (111692390812).

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

101320431140 is a wasteful number, since it uses less digits than its factorization.

101320431140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712307 (or 5712305 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101320431140 its reverse (41134023101), we get a palindrome (142454454241).

The spelling of 101320431140 in words is "one hundred one billion, three hundred twenty million, four hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 887 1774 3548 4435 8870 17740 5711411 11422822 22845644 28557055 57114110 114228220 5066021557 10132043114 20264086228 25330107785 50660215570 101320431140