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1005231425055 = 351113468639359
BaseRepresentation
bin11101010000011000111…
…01100100011000011111
310120002200022021100112120
432220030131210120133
5112432203221100210
62045444050034023
7132424400063064
oct16501435443037
93502608240476
101005231425055
11358352a29a80
121429a1b78913
1373a40065220
143692114ac6b
151b235b83270
hexea0c76461f

1005231425055 has 32 divisors (see below), whose sum is σ = 1889553899520. Its totient is φ = 449893783680.

The previous prime is 1005231425027. The next prime is 1005231425069. The reversal of 1005231425055 is 5505241325001.

1005231425055 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1005231425055 - 215 = 1005231392287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234317535 + ... + 234321824.

It is an arithmetic number, because the mean of its divisors is an integer number (59048559360).

Almost surely, 21005231425055 is an apocalyptic number.

1005231425055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1005231425055 is a deficient number, since it is larger than the sum of its proper divisors (884322474465).

1005231425055 is a wasteful number, since it uses less digits than its factorization.

1005231425055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468639391.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 1005231425055 in words is "one trillion, five billion, two hundred thirty-one million, four hundred twenty-five thousand, fifty-five".

Divisors: 1 3 5 11 13 15 33 39 55 65 143 165 195 429 715 2145 468639359 1405918077 2343196795 5155032949 6092311667 7029590385 15465098847 18276935001 25775164745 30461558335 67015428337 77325494235 91384675005 201046285011 335077141685 1005231425055