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2153665510325 = 52785314427503
BaseRepresentation
bin11111010101110000011…
…101111011101110110101
321121212222122121120201022
4133111300131323232311
5240241201332312300
64325214050110525
7311411560535240
oct37256035735665
97555878546638
102153665510325
1176040104210a
122a948a27b445
1312812234ca44
1476348da4257
153b04d7ae285
hex1f57077bbb5

2153665510325 has 24 divisors (see below), whose sum is σ = 3055629927168. Its totient is φ = 1475067804480.

The previous prime is 2153665510319. The next prime is 2153665510363. The reversal of 2153665510325 is 5230155663512.

It is not a de Polignac number, because 2153665510325 - 224 = 2153648733109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7064477 + ... + 7363026.

It is an arithmetic number, because the mean of its divisors is an integer number (127317913632).

Almost surely, 22153665510325 is an apocalyptic number.

2153665510325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153665510325 is a deficient number, since it is larger than the sum of its proper divisors (901964416843).

2153665510325 is a wasteful number, since it uses less digits than its factorization.

2153665510325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428373 (or 14428368 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 2153665510325 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-five million, five hundred ten thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 853 4265 5971 21325 29855 149275 14427503 72137515 100992521 360687575 504962605 2524813025 12306660059 61533300295 86146620413 307666501475 430733102065 2153665510325