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23256205525 = 5274159137401
BaseRepresentation
bin10101101010001011…
…011000100011010101
32020000202122122111101
4111222023120203111
5340112042034100
614403405110101
71452211325320
oct255213304325
966022578441
1023256205525
119954581473
124610558331
132268195277
1411a89417b7
15911a6c86a
hex56a2d88d5

23256205525 has 96 divisors (see below), whose sum is σ = 34670280960. Its totient is φ = 15144960000.

The previous prime is 23256205517. The next prime is 23256205537. The reversal of 23256205525 is 52550265232.

It is not a de Polignac number, because 23256205525 - 23 = 23256205517 is a prime.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 57995325 + ... + 57995725.

It is an arithmetic number, because the mean of its divisors is an integer number (361148760).

Almost surely, 223256205525 is an apocalyptic number.

23256205525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23256205525 is a deficient number, since it is larger than the sum of its proper divisors (11414075435).

23256205525 is a wasteful number, since it uses less digits than its factorization.

23256205525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 23256205525 in words is "twenty-three billion, two hundred fifty-six million, two hundred five thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 41 59 137 175 205 287 295 401 413 685 959 1025 1435 1475 2005 2065 2419 2807 3425 4795 5617 7175 8083 10025 10325 12095 14035 16441 16933 23659 23975 28085 39319 40415 54937 56581 60475 70175 82205 84665 115087 118295 140425 165613 196595 202075 274685 282905 331403 384559 411025 423325 575435 591475 828065 970019 982975 1373425 1414525 1657015 1922795 2252417 2319821 2877175 3241283 4140325 4850095 6790133 8285075 9613975 11262085 11599105 15766919 16206415 22688981 24250475 33950665 56310425 57995525 78834595 81032075 113444905 132892603 169753325 394172975 567224525 664463015 930248221 3322315075 4651241105 23256205525