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25250252775025 = 5223149579150893
BaseRepresentation
bin1011011110111000010000…
…10110001101111001110001
310022101220022112022210100011
411233130020112031321301
511302200004202300100
6125411450032054521
75214161542204165
oct557341026157161
9108356275283304
1025250252775025
118055632467423
1229b9802694441
13111211c90b6b5
14634193c14ca5
152dbc3c6a2bba
hex16f70858de71

25250252775025 has 48 divisors (see below), whose sum is σ = 32897230156800. Its totient is φ = 19188563961600.

The previous prime is 25250252774969. The next prime is 25250252775043. The reversal of 25250252775025 is 52057725205252.

It is not a de Polignac number, because 25250252775025 - 211 = 25250252772977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25250252775025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496118479 + ... + 496169371.

It is an arithmetic number, because the mean of its divisors is an integer number (685358961600).

Almost surely, 225250252775025 is an apocalyptic number.

25250252775025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25250252775025 is a deficient number, since it is larger than the sum of its proper divisors (7646977381775).

25250252775025 is a wasteful number, since it uses less digits than its factorization.

25250252775025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56866 (or 56861 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 49.

The spelling of 25250252775025 in words is "twenty-five trillion, two hundred fifty billion, two hundred fifty-two million, seven hundred seventy-five thousand, twenty-five".

Divisors: 1 5 23 25 115 149 575 745 3427 3725 5791 17135 28955 50893 85675 133193 144775 254465 665965 862859 1170539 1272325 3329825 4314295 5852695 7583057 19845757 21571475 29263475 37915285 99228785 174410311 189576425 294721363 496143925 872051555 1473606815 4360257775 6778591349 7368034075 33892956745 43913483087 169464783725 219567415435 1010010111001 1097837077175 5050050555005 25250252775025