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10642111590 = 2351132248823
BaseRepresentation
bin10011110100101000…
…11011110001100110
31000110200000021122010
421322110123301212
5133243340032330
64520001215050
7524502312255
oct117224336146
930420007563
1010642111590
114571215a50
122090031486
131007a3ba66
1472d54c79c
154244483b0
hex27a51bc66

10642111590 has 32 divisors (see below), whose sum is σ = 27862983936. Its totient is φ = 2579905760.

The previous prime is 10642111589. The next prime is 10642111591. The reversal of 10642111590 is 9511124601.

It is an interprime number because it is at equal distance from previous prime (10642111589) and next prime (10642111591).

It is a super-2 number, since 2×106421115902 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642111591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16124082 + ... + 16124741.

It is an arithmetic number, because the mean of its divisors is an integer number (870718248).

Almost surely, 210642111590 is an apocalyptic number.

10642111590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10642111590 is an abundant number, since it is smaller than the sum of its proper divisors (17220872346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10642111590 is a wasteful number, since it uses less digits than its factorization.

10642111590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32248844.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 10642111590 in words is "ten billion, six hundred forty-two million, one hundred eleven thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 32248823 64497646 96746469 161244115 193492938 322488230 354737053 483732345 709474106 967464690 1064211159 1773685265 2128422318 3547370530 5321055795 10642111590