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990100000111 = 31127251485903
BaseRepresentation
bin11100110100001101000…
…11110000110101101111
310111122121202211022201111
432122012203300311233
5112210211100000421
62034502355052451
7131350413066415
oct16320643606557
93448552738644
10990100000111
11351998702502
1213ba7a5a1127
137249b221c41
1435cc76b52b5
151ab4c55cee1
hexe6868f0d6f

990100000111 has 8 divisors (see below), whose sum is σ = 1030086262784. Its totient is φ = 950616709560.

The previous prime is 990100000091. The next prime is 990100000117. The reversal of 990100000111 is 111000001099.

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 990100000111 - 25 = 990100000079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990100000117) 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, 125739015 + ... + 125746888.

It is an arithmetic number, because the mean of its divisors is an integer number (128760782848).

Almost surely, 2990100000111 is an apocalyptic number.

990100000111 is a deficient number, since it is larger than the sum of its proper divisors (39986262673).

990100000111 is a wasteful number, since it uses less digits than its factorization.

990100000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251486061.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 990100000111 in words is "nine hundred ninety billion, one hundred million, one hundred eleven", and thus it is an aban number.

Divisors: 1 31 127 3937 251485903 7796062993 31938709681 990100000111