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25042612469 = 729123362623
BaseRepresentation
bin10111010100101001…
…111111000011110101
32101122021002112010112
4113110221333003311
5402241402044334
615300542032405
71544402456660
oct272451770365
971567075115
1025042612469
11a6909a1446
124a2a878705
1324913061b4
1412d7cba6d7
159b87dd4ce
hex5d4a7f0f5

25042612469 has 8 divisors (see below), whose sum is σ = 29607029760. Its totient is φ = 20724920496.

The previous prime is 25042612457. The next prime is 25042612547. The reversal of 25042612469 is 96421624052.

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

It is not a de Polignac number, because 25042612469 - 212 = 25042608373 is a prime.

It is a super-2 number, since 2×250426124692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042612069) 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, 61681109 + ... + 61681514.

It is an arithmetic number, because the mean of its divisors is an integer number (3700878720).

Almost surely, 225042612469 is an apocalyptic number.

25042612469 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25042612469 is a deficient number, since it is larger than the sum of its proper divisors (4564417291).

25042612469 is a wasteful number, since it uses less digits than its factorization.

25042612469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123362659.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 25042612469 in words is "twenty-five billion, forty-two million, six hundred twelve thousand, four hundred sixty-nine".

Divisors: 1 7 29 203 123362623 863538361 3577516067 25042612469