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83849088242665 = 56723735757997
BaseRepresentation
bin10011000100001010100011…
…000111101001001111101001
3101222212220011010110010202101
4103010022203013221033221
541442240413042231130
6454155423411533401
723442616400264524
oct2304124307511751
9358786133403671
1083849088242665
112479822040a8a9
1294a2621bba261
1337a2c20529405
14169c463405bbb
159a6191c641ca
hex4c42a31e93e9

83849088242665 has 12 divisors (see below), whose sum is σ = 102143095181316. Its totient is φ = 66078087433248.

The previous prime is 83849088242657. The next prime is 83849088242677. The reversal of 83849088242665 is 56624288094838.

It can be written as a sum of positive squares in 2 ways, for example, as 33995208352681 + 49853879889984 = 5830541^2 + 7060728^2 .

It is not a de Polignac number, because 83849088242665 - 23 = 83849088242657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1867856554 + ... + 1867901443.

It is an arithmetic number, because the mean of its divisors is an integer number (8511924598443).

Almost surely, 283849088242665 is an apocalyptic number.

It is an amenable number.

83849088242665 is a deficient number, since it is larger than the sum of its proper divisors (18294006938651).

83849088242665 is an equidigital number, since it uses as much as digits as its factorization.

83849088242665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735758136 (or 3735758069 counting only the distinct ones).

The product of its (nonzero) digits is 1274019840, while the sum is 73.

The spelling of 83849088242665 in words is "eighty-three trillion, eight hundred forty-nine billion, eighty-eight million, two hundred forty-two thousand, six hundred sixty-five".

Divisors: 1 5 67 335 4489 22445 3735757997 18678789985 250295785799 1251478928995 16769817648533 83849088242665