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100111300321 = 450722212403
BaseRepresentation
bin101110100111100011…
…0010011011011100001
3100120101221001222120211
41131033012103123201
53120011443102241
6113553540334121
710142565004144
oct1351706233341
9316357058524
10100111300321
113950324573a
121749b0a4341
1395958ab916
144bb9b5405b
15290ddc2781
hex174f1936e1

100111300321 has 4 divisors (see below), whose sum is σ = 100133517232. Its totient is φ = 100089083412.

The previous prime is 100111300309. The next prime is 100111300351. The reversal of 100111300321 is 123003111001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123003111001 = 538722833323.

It is a cyclic number.

It is not a de Polignac number, because 100111300321 - 231 = 97963816673 is a prime.

It is a super-2 number, since 2×1001113003212 (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 (100111300351) 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, 11101695 + ... + 11110708.

It is an arithmetic number, because the mean of its divisors is an integer number (25033379308).

Almost surely, 2100111300321 is an apocalyptic number.

It is an amenable number.

100111300321 is a deficient number, since it is larger than the sum of its proper divisors (22216911).

100111300321 is an equidigital number, since it uses as much as digits as its factorization.

100111300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22216910.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100111300321 its reverse (123003111001), we get a palindrome (223114411322).

The spelling of 100111300321 in words is "one hundred billion, one hundred eleven million, three hundred thousand, three hundred twenty-one".

Divisors: 1 4507 22212403 100111300321