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10581442386 = 232111835421
BaseRepresentation
bin10011101101011001…
…11111111101010010
31000022102211222010120
421312230333331102
5133132322124021
64505553011110
7523134530154
oct116654777522
930272758116
1010581442386
11453aa48309
122073853a96
13cc82b9318
14725478ad4
1541de622c6
hex276b3ff52

10581442386 has 16 divisors (see below), whose sum is σ = 21172935168. Its totient is φ = 3525472400.

The previous prime is 10581442363. The next prime is 10581442387. The reversal of 10581442386 is 68324418501.

It is a happy number.

It is a super-2 number, since 2×105814423862 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10581442387) 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, 405045 + ... + 430376.

It is an arithmetic number, because the mean of its divisors is an integer number (1323308448).

Almost surely, 210581442386 is an apocalyptic number.

10581442386 is an abundant number, since it is smaller than the sum of its proper divisors (10591492782).

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

10581442386 is a wasteful number, since it uses less digits than its factorization.

10581442386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837537.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 10581442386 in words is "ten billion, five hundred eighty-one million, four hundred forty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 2111 4222 6333 12666 835421 1670842 2506263 5012526 1763573731 3527147462 5290721193 10581442386