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100313030021 = 196318367089
BaseRepresentation
bin101110101101100011…
…1110101110110000101
3100120220222122220201012
41131123013311312011
53120420113430041
6114025544212005
710150564454321
oct1353307656605
9316828586635
10100313030021
11395a70aa1a6
121753676a005
1395c86202c9
144bd8866981
15292196e3eb
hex175b1f5d85

100313030021 has 8 divisors (see below), whose sum is σ = 105760017600. Its totient is φ = 94882777920.

The previous prime is 100313029997. The next prime is 100313030063. The reversal of 100313030021 is 120030313001.

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

It is a cyclic number.

It is not a de Polignac number, because 100313030021 - 210 = 100313028997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100313029978 and 100313030005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313030621) 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, 4171556 + ... + 4195533.

It is an arithmetic number, because the mean of its divisors is an integer number (13220002200).

Almost surely, 2100313030021 is an apocalyptic number.

It is an amenable number.

100313030021 is a deficient number, since it is larger than the sum of its proper divisors (5446987579).

100313030021 is an equidigital number, since it uses as much as digits as its factorization.

100313030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367739.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 100313030021 its reverse (120030313001), we get a palindrome (220343343022).

The spelling of 100313030021 in words is "one hundred billion, three hundred thirteen million, thirty thousand, twenty-one".

Divisors: 1 19 631 11989 8367089 158974691 5279633159 100313030021