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25003113042 = 2319277791789
BaseRepresentation
bin10111010010010011…
…010011101001010010
32101112111202202002210
4113102103103221102
5402201244104132
615253011252550
71543412645205
oct272223235122
971474682083
1025003113042
11a670672996
124a195aa156
13248608645b
1412d295793c
159b50d9bcc
hex5d24d3a52

25003113042 has 32 divisors (see below), whose sum is σ = 52828228800. Its totient is φ = 7867205568.

The previous prime is 25003113011. The next prime is 25003113049. The reversal of 25003113042 is 24031130052.

It is not an unprimeable number, because it can be changed into a prime (25003113049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364317 + ... + 427472.

It is an arithmetic number, because the mean of its divisors is an integer number (1650882150).

Almost surely, 225003113042 is an apocalyptic number.

25003113042 is an abundant number, since it is smaller than the sum of its proper divisors (27825115758).

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

25003113042 is a wasteful number, since it uses less digits than its factorization.

25003113042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792090.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 25003113042 its reverse (24031130052), we get a palindrome (49034243094).

The spelling of 25003113042 in words is "twenty-five billion, three million, one hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 114 277 554 831 1662 5263 10526 15789 31578 791789 1583578 2375367 4750734 15043991 30087982 45131973 90263946 219325553 438651106 657976659 1315953318 4167185507 8334371014 12501556521 25003113042