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25012542403 = 241443234281
BaseRepresentation
bin10111010010110111…
…010001101111000011
32101120011111210202101
4113102313101233003
5402211202324103
615253545331231
71543556050102
oct272267215703
971504453671
1025012542403
11a675a23352
124a20796b17
132488008364
1412d3cd0039
159b5d4da1d
hex5d2dd1bc3

25012542403 has 8 divisors (see below), whose sum is σ = 25173132336. Its totient is φ = 24852422400.

The previous prime is 25012542377. The next prime is 25012542409. The reversal of 25012542403 is 30424521052.

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

It is a cyclic number.

It is not a de Polignac number, because 25012542403 - 229 = 24475671491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25012542409) 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, 10378 + ... + 223903.

It is an arithmetic number, because the mean of its divisors is an integer number (3146641542).

Almost surely, 225012542403 is an apocalyptic number.

25012542403 is a deficient number, since it is larger than the sum of its proper divisors (160589933).

25012542403 is a wasteful number, since it uses less digits than its factorization.

25012542403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234965.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 25012542403 in words is "twenty-five billion, twelve million, five hundred forty-two thousand, four hundred three".

Divisors: 1 241 443 106763 234281 56461721 103786483 25012542403