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25002717340 = 2251250135867
BaseRepresentation
bin10111010010010001…
…110011000010011100
32101112111000122022011
4113102101303002130
5402201143423330
615252555001004
71543406406436
oct272221630234
971474018264
1025002717340
11a670422667
124a19439164
132485c78303
1412d2893656
159b505c82a
hex5d247309c

25002717340 has 12 divisors (see below), whose sum is σ = 52505706456. Its totient is φ = 10001086928.

The previous prime is 25002717317. The next prime is 25002717353. The reversal of 25002717340 is 4371720052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625067914 + ... + 625067953.

It is an arithmetic number, because the mean of its divisors is an integer number (4375475538).

Almost surely, 225002717340 is an apocalyptic number.

25002717340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25002717340 is an abundant number, since it is smaller than the sum of its proper divisors (27502989116).

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

25002717340 is a wasteful number, since it uses less digits than its factorization.

25002717340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250135876 (or 1250135874 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 25002717340 in words is "twenty-five billion, two million, seven hundred seventeen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1250135867 2500271734 5000543468 6250679335 12501358670 25002717340