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25028055003 = 3731371039069
BaseRepresentation
bin10111010011110010…
…011100111111011011
32101121020200221001010
4113103302130333123
5402224140230003
615255302025003
71544134646250
oct272362347733
971536627033
1025028055003
11a683759186
124a25a18163
13248b2aa103
1412d5dab427
159b73b5003
hex5d3c9cfdb

25028055003 has 32 divisors (see below), whose sum is σ = 40432291840. Its totient is φ = 13466321280.

The previous prime is 25028055001. The next prime is 25028055011. The reversal of 25028055003 is 30055082052.

It is not a de Polignac number, because 25028055003 - 21 = 25028055001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25028055001) 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 31 ways as a sum of consecutive naturals, for example, 495448 + ... + 543621.

It is an arithmetic number, because the mean of its divisors is an integer number (1263509120).

Almost surely, 225028055003 is an apocalyptic number.

25028055003 is a deficient number, since it is larger than the sum of its proper divisors (15404236837).

25028055003 is a wasteful number, since it uses less digits than its factorization.

25028055003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039147.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25028055003 in words is "twenty-five billion, twenty-eight million, fifty-five thousand, three".

Divisors: 1 3 7 21 31 37 93 111 217 259 651 777 1147 3441 8029 24087 1039069 3117207 7273483 21820449 32211139 38445553 96633417 115336659 225477973 269118871 676433919 807356613 1191812143 3575436429 8342685001 25028055003