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25113050031 = 39786299141
BaseRepresentation
bin10111011000110110…
…101011101110101111
32101211011122010022010
4113120312223232233
5402412420100111
615311535452303
71546216255206
oct273066535657
971734563263
1025113050031
11a717731203
124a4a387093
1324a2a98c24
1413033b423d
159beaa3aa6
hex5d8dabbaf

25113050031 has 8 divisors (see below), whose sum is σ = 33829263664. Its totient is φ = 16569434880.

The previous prime is 25113050021. The next prime is 25113050033. The reversal of 25113050031 is 13005031152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25113050031 - 211 = 25113047983 is a prime.

It is a super-2 number, since 2×251130500312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25113050033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43149280 + ... + 43149861.

It is an arithmetic number, because the mean of its divisors is an integer number (4228657958).

Almost surely, 225113050031 is an apocalyptic number.

25113050031 is a deficient number, since it is larger than the sum of its proper divisors (8716213633).

25113050031 is an equidigital number, since it uses as much as digits as its factorization.

25113050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86299241.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 25113050031 its reverse (13005031152), we get a palindrome (38118081183).

The spelling of 25113050031 in words is "twenty-five billion, one hundred thirteen million, fifty thousand, thirty-one".

Divisors: 1 3 97 291 86299141 258897423 8371016677 25113050031