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12253044020 = 225787521743
BaseRepresentation
bin10110110100101011…
…01001110100110100
31011121221021010111012
423122111221310310
5200043234402040
65343505131352
7612433104260
oct133225516464
934557233435
1012253044020
115218584368
12245b629b58
131203701909
1484348b0a0
154baaa6865
hex2da569d34

12253044020 has 24 divisors (see below), whose sum is σ = 29407305984. Its totient is φ = 4201043616.

The previous prime is 12253044019. The next prime is 12253044031. The reversal of 12253044020 is 2044035221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43760732 + ... + 43761011.

It is an arithmetic number, because the mean of its divisors is an integer number (1225304416).

Almost surely, 212253044020 is an apocalyptic number.

12253044020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253044020 is an abundant number, since it is smaller than the sum of its proper divisors (17154261964).

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

12253044020 is a wasteful number, since it uses less digits than its factorization.

12253044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87521759 (or 87521757 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 12253044020 its reverse (2044035221), we get a palindrome (14297079241).

The spelling of 12253044020 in words is "twelve billion, two hundred fifty-three million, forty-four thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 87521743 175043486 350086972 437608715 612652201 875217430 1225304402 1750434860 2450608804 3063261005 6126522010 12253044020