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25355106002 = 2104009121889
BaseRepresentation
bin10111100111010010…
…000011011011010010
32102110001002211200002
4113213102003123102
5403411401343002
615351543530002
71555215562562
oct274722033322
972401084602
1025355106002
11a831329466
124ab7459902
132510c89805
1413275c2da2
159d5e69002
hex5e74836d2

25355106002 has 8 divisors (see below), whose sum is σ = 38033336700. Its totient is φ = 12677327104.

The previous prime is 25355106001. The next prime is 25355106013. The reversal of 25355106002 is 20060155352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16933556641 + 8421549361 = 130129^2 + 91769^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25355106001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147074 + ... + 268962.

Almost surely, 225355106002 is an apocalyptic number.

25355106002 is a deficient number, since it is larger than the sum of its proper divisors (12678230698).

25355106002 is a wasteful number, since it uses less digits than its factorization.

25355106002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225900.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 25355106002 in words is "twenty-five billion, three hundred fifty-five million, one hundred six thousand, two".

Divisors: 1 2 104009 121889 208018 243778 12677553001 25355106002