Search a number
-
+
100120200131 = 776871860659
BaseRepresentation
bin101110100111110100…
…0010000001111000011
3100120102112211010211102
41131033220100033003
53120021232401011
6113554455205015
710143033442130
oct1351750201703
9316375733742
10100120200131
1139508274256
12174a207676b
1395976a6793
144bbadcd587
15290ea7e73b
hex174fa103c3

100120200131 has 8 divisors (see below), whose sum is σ = 114438032640. Its totient is φ = 85806104328.

The previous prime is 100120200127. The next prime is 100120200139. The reversal of 100120200131 is 131002021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100120200131 - 22 = 100120200127 is a prime.

It is a super-2 number, since 2×1001202001312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120200139) 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, 876521 + ... + 984138.

It is an arithmetic number, because the mean of its divisors is an integer number (14304754080).

Almost surely, 2100120200131 is an apocalyptic number.

100120200131 is a deficient number, since it is larger than the sum of its proper divisors (14317832509).

100120200131 is an equidigital number, since it uses as much as digits as its factorization.

100120200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868353.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100120200131 its reverse (131002021001), we get a palindrome (231122221132).

The spelling of 100120200131 in words is "one hundred billion, one hundred twenty million, two hundred thousand, one hundred thirty-one".

Divisors: 1 7 7687 53809 1860659 13024613 14302885733 100120200131