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100550055061 = 605271661243
BaseRepresentation
bin101110110100101000…
…0000001010010010101
3100121112111200000221101
41131221100001102111
53121411303230221
6114105252350101
710156503236401
oct1355120012225
9317474600841
10100550055061
1139708980665
12175a2015331
13963576c001
144c1c126101
15293768dd91
hex1769401495

100550055061 has 4 divisors (see below), whose sum is σ = 100551776832. Its totient is φ = 100548333292.

The previous prime is 100550055019. The next prime is 100550055071. The reversal of 100550055061 is 160550055001.

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 100550055061 - 225 = 100516500629 is a prime.

It is a super-2 number, since 2×1005500550612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550055071) 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, 770095 + ... + 891148.

It is an arithmetic number, because the mean of its divisors is an integer number (25137944208).

Almost surely, 2100550055061 is an apocalyptic number.

It is an amenable number.

100550055061 is a deficient number, since it is larger than the sum of its proper divisors (1721771).

100550055061 is an equidigital number, since it uses as much as digits as its factorization.

100550055061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721770.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 100550055061 in words is "one hundred billion, five hundred fifty million, fifty-five thousand, sixty-one".

Divisors: 1 60527 1661243 100550055061