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25553124325 = 5231713072467
BaseRepresentation
bin10111110011000101…
…011011101111100101
32102221211201012202001
4113303011123233211
5404313044434300
615423340045301
71563141654511
oct276305335745
972854635661
1025553124325
11a923088573
124b51833831
132542ccbb11
141345a0b141
159e853116a
hex5f315bbe5

25553124325 has 24 divisors (see below), whose sum is σ = 31823043552. Its totient is φ = 20354166720.

The previous prime is 25553124299. The next prime is 25553124329. The reversal of 25553124325 is 52342135552.

It is not a de Polignac number, because 25553124325 - 229 = 25016253413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25553124329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10356742 + ... + 10359208.

It is an arithmetic number, because the mean of its divisors is an integer number (1325960148).

Almost surely, 225553124325 is an apocalyptic number.

25553124325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25553124325 is a deficient number, since it is larger than the sum of its proper divisors (6269919227).

25553124325 is a wasteful number, since it uses less digits than its factorization.

25553124325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101 (or 4096 counting only the distinct ones).

The product of its digits is 180000, while the sum is 37.

Adding to 25553124325 its reverse (52342135552), we get a palindrome (77895259877).

It can be divided in two parts, 25553 and 124325, that added together give a triangular number (149878 = T547).

The spelling of 25553124325 in words is "twenty-five billion, five hundred fifty-three million, one hundred twenty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 317 1307 1585 2467 6535 7925 12335 32675 61675 414319 782039 2071595 3224369 3910195 10357975 16121845 19550975 80609225 1022124973 5110624865 25553124325