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30850525253 = 479106360589
BaseRepresentation
bin11100101110110101…
…011010100001000101
32221122000201001200102
4130232311122201011
51001140213302003
622101133453445
72141335065212
oct345665324105
987560631612
1030850525253
11120a1354269
125b8b941285
132ba8658492
1416c93a6b09
15c08631588
hex72ed5a845

30850525253 has 8 divisors (see below), whose sum is σ = 30944524800. Its totient is φ = 30756649968.

The previous prime is 30850525249. The next prime is 30850525313. The reversal of 30850525253 is 35252505803.

It is a happy number.

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 30850525253 - 22 = 30850525249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30850522253) 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, 478883 + ... + 539471.

It is an arithmetic number, because the mean of its divisors is an integer number (3868065600).

Almost surely, 230850525253 is an apocalyptic number.

It is an amenable number.

30850525253 is a deficient number, since it is larger than the sum of its proper divisors (93999547).

30850525253 is a wasteful number, since it uses less digits than its factorization.

30850525253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62131.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 30850525253 in words is "thirty billion, eight hundred fifty million, five hundred twenty-five thousand, two hundred fifty-three".

Divisors: 1 479 1063 60589 509177 29022131 64406107 30850525253