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10504020252 = 2231179575911
BaseRepresentation
bin10011100100001011…
…01010000100011100
31000010001011111221010
421302011222010130
5133003012122002
64454145335220
7521204461515
oct116205520434
930101144833
1010504020252
114500277980
122051937510
13cb524c3cb
14719083a0c
1541726c46c
hex27216a11c

10504020252 has 24 divisors (see below), whose sum is σ = 26737506432. Its totient is φ = 3183036400.

The previous prime is 10504020251. The next prime is 10504020257. The reversal of 10504020252 is 25202040501.

It is a happy number.

It is a super-2 number, since 2×105040202522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10504020251) 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, 39787824 + ... + 39788087.

It is an arithmetic number, because the mean of its divisors is an integer number (1114062768).

Almost surely, 210504020252 is an apocalyptic number.

10504020252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10504020252 is an abundant number, since it is smaller than the sum of its proper divisors (16233486180).

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

10504020252 is a wasteful number, since it uses less digits than its factorization.

10504020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79575929 (or 79575927 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 10504020252 its reverse (25202040501), we get a palindrome (35706060753).

The spelling of 10504020252 in words is "ten billion, five hundred four million, twenty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 79575911 159151822 238727733 318303644 477455466 875335021 954910932 1750670042 2626005063 3501340084 5252010126 10504020252