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25245533554252 = 22113151091820837
BaseRepresentation
bin1011011110101111011110…
…00011110100011001001100
310022101110010122021112110121
411233113233003310121030
511302110323042214002
6125405345450514324
75213633566404064
oct557275703643114
9108343118245417
1025245533554252
1180536305a5a70
1229b89061359a4
131111849cab07b
14633c671623a4
152dba63210237
hex16f5ef0f464c

25245533554252 has 24 divisors (see below), whose sum is σ = 48196198023120. Its totient is φ = 11475199805760.

The previous prime is 25245533554193. The next prime is 25245533554253.

25245533554252 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25245533554252.

It is not an unprimeable number, because it can be changed into a prime (25245533554253) 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, 12954378 + ... + 14775214.

It is an arithmetic number, because the mean of its divisors is an integer number (2008174917630).

Almost surely, 225245533554252 is an apocalyptic number.

25245533554252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25245533554252 is a deficient number, since it is larger than the sum of its proper divisors (22950664468868).

25245533554252 is a wasteful number, since it uses less digits than its factorization.

25245533554252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135961 (or 2135959 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 52.

The spelling of 25245533554252 in words is "twenty-five trillion, two hundred forty-five billion, five hundred thirty-three million, five hundred fifty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 315109 630218 1260436 1820837 3466199 3641674 6932398 7283348 13864796 20029207 40058414 80116828 573762126233 1147524252466 2295048504932 6311383388563 12622766777126 25245533554252