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27243088699925 = 5271205391291489
BaseRepresentation
bin1100011000111000001101…
…00111111110001000010101
310120110102011200200220210102
412030130012213332020111
512032322321201344200
6133535145134103445
75511151064112020
oct614340647761025
9116412150626712
1027243088699925
11875380238858a
12307ba8734ab85
131228020b80577
146a28030381b7
153239c67566d5
hex18c7069fe215

27243088699925 has 24 divisors (see below), whose sum is σ = 38607698740800. Its totient is φ = 18680805665280.

The previous prime is 27243088699831. The next prime is 27243088699933. The reversal of 27243088699925 is 52999688034272.

It is not a de Polignac number, because 27243088699925 - 214 = 27243088683541 is a prime.

It is a Curzon number.

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, 20448581 + ... + 21740069.

It is an arithmetic number, because the mean of its divisors is an integer number (1608654114200).

Almost surely, 227243088699925 is an apocalyptic number.

27243088699925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27243088699925 is the 3013475-th octagonal number.

It is an amenable number.

27243088699925 is a deficient number, since it is larger than the sum of its proper divisors (11364610040875).

27243088699925 is a wasteful number, since it uses less digits than its factorization.

27243088699925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412045 (or 1412040 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 74.

The spelling of 27243088699925 in words is "twenty-seven trillion, two hundred forty-three billion, eighty-eight million, six hundred ninety-nine thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 175 120539 602695 843773 1291489 3013475 4218865 6457445 9040423 21094325 32287225 45202115 226010575 155674792571 778373962855 1089723547997 3891869814275 5448617739985 27243088699925