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10521314020 = 2257115165293
BaseRepresentation
bin10011100110001111…
…01000001011100100
31000011020201010112001
421303013220023210
5133021424022040
64500004135044
7521504456620
oct116307501344
930136633461
1010521314020
11450a009a48
122057697484
13cb89c5ac9
1471b4a6180
15418a3659a
hex2731e82e4

10521314020 has 48 divisors (see below), whose sum is σ = 25273479168. Its totient is φ = 3604118400.

The previous prime is 10521314009. The next prime is 10521314029. The reversal of 10521314020 is 2041312501.

It is a super-2 number, since 2×105213140202 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10521314029) 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, 128494 + ... + 193786.

It is an arithmetic number, because the mean of its divisors is an integer number (526530816).

Almost surely, 210521314020 is an apocalyptic number.

10521314020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10521314020 is an abundant number, since it is smaller than the sum of its proper divisors (14752165148).

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

10521314020 is a wasteful number, since it uses less digits than its factorization.

10521314020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66460 (or 66458 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10521314020 its reverse (2041312501), we get a palindrome (12562626521).

The spelling of 10521314020 in words is "ten billion, five hundred twenty-one million, three hundred fourteen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1151 2302 4604 5755 8057 11510 16114 23020 32228 40285 65293 80570 130586 161140 261172 326465 457051 652930 914102 1305860 1828204 2285255 4570510 9141020 75152243 150304486 300608972 375761215 526065701 751522430 1052131402 1503044860 2104262804 2630328505 5260657010 10521314020