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10521010130 = 259771076869
BaseRepresentation
bin10011100110001100…
…11101111111010010
31000011020010200122212
421303012131333102
5133021334311010
64455553432122
7521502052631
oct116306357722
930136120585
1010521010130
1145099216a4
12205756b642
13cb891a6a7
1471b427518
154189c6505
hex27319dfd2

10521010130 has 16 divisors (see below), whose sum is σ = 18957219480. Its totient is φ = 4204092672.

The previous prime is 10521010121. The next prime is 10521010139. The reversal of 10521010130 is 3101012501.

It is an interprime number because it is at equal distance from previous prime (10521010121) and next prime (10521010139).

It can be written as a sum of positive squares in 4 ways, for example, as 10506865009 + 14145121 = 102503^2 + 3761^2 .

It is a super-2 number, since 2×105210101302 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521010139) 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, 528665 + ... + 548204.

Almost surely, 210521010130 is an apocalyptic number.

10521010130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10521010130 is a deficient number, since it is larger than the sum of its proper divisors (8436209350).

10521010130 is a wasteful number, since it uses less digits than its factorization.

10521010130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077853.

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 10521010130 its reverse (3101012501), we get a palindrome (13622022631).

The spelling of 10521010130 in words is "ten billion, five hundred twenty-one million, ten thousand, one hundred thirty".

Divisors: 1 2 5 10 977 1954 4885 9770 1076869 2153738 5384345 10768690 1052101013 2104202026 5260505065 10521010130