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103102020132 = 2238591835011
BaseRepresentation
bin110000000000101011…
…0111111101000100100
3100212010100122021220020
41200001112333220210
53142123104121012
6115210414035140
710306651465656
oct1400126775044
9325110567806
10103102020132
113a7a8447801
1217b947a8ab0
139951394107
144dc10226d6
152a36731a8c
hex18015bfa24

103102020132 has 12 divisors (see below), whose sum is σ = 240571380336. Its totient is φ = 34367340040.

The previous prime is 103102020061. The next prime is 103102020139. The reversal of 103102020132 is 231020201301.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (103102020139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295917494 + ... + 4295917517.

It is an arithmetic number, because the mean of its divisors is an integer number (20047615028).

Almost surely, 2103102020132 is an apocalyptic number.

103102020132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103102020132 is an abundant number, since it is smaller than the sum of its proper divisors (137469360204).

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

103102020132 is a wasteful number, since it uses less digits than its factorization.

103102020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591835018 (or 8591835016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103102020132 its reverse (231020201301), we get a palindrome (334122221433).

The spelling of 103102020132 in words is "one hundred three billion, one hundred two million, twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 8591835011 17183670022 25775505033 34367340044 51551010066 103102020132