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27055651420 = 2257480140253
BaseRepresentation
bin11001001100101001…
…000111101001011100
32120211112222111102201
4121030221013221130
5420402221321140
620232412301244
71645315146130
oct311451075134
976745874381
1027055651420
11105242343a6
1252b0a71824
1327223973c5
1414493ab3c0
15a853c949a
hex64ca47a5c

27055651420 has 48 divisors (see below), whose sum is σ = 64948701888. Its totient is φ = 9274060800.

The previous prime is 27055651411. The next prime is 27055651501. The reversal of 27055651420 is 2415655072.

It is a self number, because there is not a number n which added to its sum of digits gives 27055651420.

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 15 ways as a sum of consecutive naturals, for example, 652014 + ... + 692266.

It is an arithmetic number, because the mean of its divisors is an integer number (1353097956).

Almost surely, 227055651420 is an apocalyptic number.

27055651420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27055651420 is an abundant number, since it is smaller than the sum of its proper divisors (37893050468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27055651420 is a wasteful number, since it uses less digits than its factorization.

27055651420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45070 (or 45068 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 27055651420 in words is "twenty-seven billion, fifty-five million, six hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4801 9602 19204 24005 33607 40253 48010 67214 80506 96020 134428 161012 168035 201265 281771 336070 402530 563542 672140 805060 1127084 1408855 2817710 5635420 193254653 386509306 773018612 966273265 1352782571 1932546530 2705565142 3865093060 5411130284 6763912855 13527825710 27055651420