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1055894704128 = 2123611173161
BaseRepresentation
bin11110101110110000011…
…10101001000000000000
310201221110010011121000000
433113120032221000000
5114244433021013003
62125023224000000
7136200024620055
oct17273016510000
93657403147000
101055894704128
11377891040450
12150781000000
1378755358174
14391699b702c
151c6ed8951a3
hexf5d83a9000

1055894704128 has 1456 divisors, whose sum is σ = 3836652867072. Its totient is φ = 286654464000.

The previous prime is 1055894704121. The next prime is 1055894704133. The reversal of 1055894704128 is 8214074985501.

1055894704128 is a `hidden beast` number, since 1 + 0 + 5 + 589 + 47 + 0 + 4 + 12 + 8 = 666.

It is a super-2 number, since 2×10558947041282 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1055894704121) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 17309749218 + ... + 17309749278.

Almost surely, 21055894704128 is an apocalyptic number.

1055894704128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055894704128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918326433536).

1055894704128 is an abundant number, since it is smaller than the sum of its proper divisors (2780758162944).

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

1055894704128 is an equidigital number, since it uses as much as digits as its factorization.

1055894704128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 1055894704128 in words is "one trillion, fifty-five billion, eight hundred ninety-four million, seven hundred four thousand, one hundred twenty-eight".