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100930245685 = 5152411324457
BaseRepresentation
bin101110111111111101…
…0010101010000110101
3100122112000001201102121
41131333322111100311
53123201120330220
6114211113235541
710202100635023
oct1357772252065
9318460051377
10100930245685
1139893546495
1217689402bb1
139696465b89
144c56811713
15295ac3ceaa
hex177fe95435

100930245685 has 8 divisors (see below), whose sum is σ = 121124333016. Its totient is φ = 80738837760.

The previous prime is 100930245653. The next prime is 100930245697. The reversal of 100930245685 is 586542039001.

It can be written as a sum of positive squares in 4 ways, for example, as 3926651569 + 97003594116 = 62663^2 + 311454^2 .

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

It is not a de Polignac number, because 100930245685 - 25 = 100930245653 is a prime.

It is a super-2 number, since 2×1009302456852 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586024 + ... + 738433.

It is an arithmetic number, because the mean of its divisors is an integer number (15140541627).

Almost surely, 2100930245685 is an apocalyptic number.

It is an amenable number.

100930245685 is a deficient number, since it is larger than the sum of its proper divisors (20194087331).

100930245685 is a wasteful number, since it uses less digits than its factorization.

100930245685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339703.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 100930245685 in words is "one hundred billion, nine hundred thirty million, two hundred forty-five thousand, six hundred eighty-five".

Divisors: 1 5 15241 76205 1324457 6622285 20186049137 100930245685