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103233130021 = 714747590003
BaseRepresentation
bin110000000100100101…
…1001000111000100101
3100212110111100100212001
41200021023020320211
53142410140130041
6115231420125301
710313133061360
oct1401113107045
9325414310761
10103233130021
113a86545758a
1218010696831
1399725aab28
144dd45d10d7
152a42ece131
hex18092c8e25

103233130021 has 4 divisors (see below), whose sum is σ = 117980720032. Its totient is φ = 88485540012.

The previous prime is 103233130009. The next prime is 103233130031. The reversal of 103233130021 is 120031332301.

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 103233130021 - 29 = 103233129509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103233130031) 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, 7373794995 + ... + 7373795008.

It is an arithmetic number, because the mean of its divisors is an integer number (29495180008).

Almost surely, 2103233130021 is an apocalyptic number.

It is an amenable number.

103233130021 is a deficient number, since it is larger than the sum of its proper divisors (14747590011).

103233130021 is an equidigital number, since it uses as much as digits as its factorization.

103233130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14747590010.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103233130021 its reverse (120031332301), we get a palindrome (223264462322).

The spelling of 103233130021 in words is "one hundred three billion, two hundred thirty-three million, one hundred thirty thousand, twenty-one".

Divisors: 1 7 14747590003 103233130021