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51105056001 = 369672445101
BaseRepresentation
bin101111100110000110…
…010100010100000001
311212220121011211110220
4233212012110110001
51314130343243001
635251034413253
73456300544236
oct574606242401
9155817154426
1051105056001
111a745520a7a
129aa2b91229
134a859a0b0c
14268b3c778d
1514e18c8c36
hexbe6194501

51105056001 has 8 divisors (see below), whose sum is σ = 68149882944. Its totient is φ = 34065133200.

The previous prime is 51105055993. The next prime is 51105056059. The reversal of 51105056001 is 10065050115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51105056001 - 23 = 51105055993 is a prime.

It is a super-2 number, since 2×511050560012 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51105056201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201650 + ... + 1243451.

It is an arithmetic number, because the mean of its divisors is an integer number (8518735368).

Almost surely, 251105056001 is an apocalyptic number.

It is an amenable number.

51105056001 is a deficient number, since it is larger than the sum of its proper divisors (17044826943).

51105056001 is a wasteful number, since it uses less digits than its factorization.

51105056001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452071.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51105056001 in words is "fifty-one billion, one hundred five million, fifty-six thousand, one".

Divisors: 1 3 6967 20901 2445101 7335303 17035018667 51105056001