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10621140252 = 2231752064413
BaseRepresentation
bin10011110010001000…
…11011110100011100
31000102012112211100220
421321010123310130
5133223002442002
64513531521340
7524126126322
oct117104336434
930365484326
1010621140252
1145603a1968
122084bb9250
1310035a8498
1472a84dd12
154226a47bc
hex27911bd1c

10621140252 has 24 divisors (see below), whose sum is σ = 26240464656. Its totient is φ = 3332122368.

The previous prime is 10621140221. The next prime is 10621140263. The reversal of 10621140252 is 25204112601.

10621140252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106211402522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26032003 + ... + 26032410.

It is an arithmetic number, because the mean of its divisors is an integer number (1093352694).

Almost surely, 210621140252 is an apocalyptic number.

10621140252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10621140252 is an abundant number, since it is smaller than the sum of its proper divisors (15619324404).

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

10621140252 is a wasteful number, since it uses less digits than its factorization.

10621140252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52064437 (or 52064435 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 10621140252 its reverse (25204112601), we get a palindrome (35825252853).

The spelling of 10621140252 in words is "ten billion, six hundred twenty-one million, one hundred forty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 52064413 104128826 156193239 208257652 312386478 624772956 885095021 1770190042 2655285063 3540380084 5310570126 10621140252