Search a number
-
+
100231021203101 = 739135630610559
BaseRepresentation
bin10110110010100011011010…
…011010100000111010011101
3111010212222210012110121110022
4112302203122122200322131
5101114141112411444401
6553101255004521525
730053311100025515
oct2662433232407235
9433788705417408
10100231021203101
1129a338124a7408
12b2a953a2502a5
1343c098b27c2a9
141aa72c8c08845
15b8c38b33b71b
hex5b28da6a0e9d

100231021203101 has 4 divisors (see below), whose sum is σ = 100366651814400. Its totient is φ = 100095390591804.

The previous prime is 100231021203043. The next prime is 100231021203107. The reversal of 100231021203101 is 101302120132001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100231021203101 - 218 = 100231020940957 is a prime.

It is a super-2 number, since 2×1002310212031012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100231021203101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231021203107) 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, 67815304541 + ... + 67815306018.

It is an arithmetic number, because the mean of its divisors is an integer number (25091662953600).

Almost surely, 2100231021203101 is an apocalyptic number.

It is an amenable number.

100231021203101 is a deficient number, since it is larger than the sum of its proper divisors (135630611299).

100231021203101 is an equidigital number, since it uses as much as digits as its factorization.

100231021203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135630611298.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100231021203101 its reverse (101302120132001), we get a palindrome (201533141335102).

The spelling of 100231021203101 in words is "one hundred trillion, two hundred thirty-one billion, twenty-one million, two hundred three thousand, one hundred one".

Divisors: 1 739 135630610559 100231021203101