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56786221051 = 711237223791
BaseRepresentation
bin110100111000101110…
…001111011111111011
312102120112021220211021
4310320232033133323
51412244233033201
642030501443311
74050133625530
oct647056173773
9172515256737
1056786221051
11220a03833aa
12b009710537
13547c9a5a41
142a69b1cd87
151725531ea1
hexd38b8f7fb

56786221051 has 8 divisors (see below), whose sum is σ = 64956337664. Its totient is φ = 48630554280.

The previous prime is 56786221027. The next prime is 56786221061. The reversal of 56786221051 is 15012268765.

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

It is not a de Polignac number, because 56786221051 - 223 = 56777832443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56786220989 and 56786221007.

It is not an unprimeable number, because it can be changed into a prime (56786221001) 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, 3604035 + ... + 3619756.

It is an arithmetic number, because the mean of its divisors is an integer number (8119542208).

Almost surely, 256786221051 is an apocalyptic number.

56786221051 is a deficient number, since it is larger than the sum of its proper divisors (8170116613).

56786221051 is a wasteful number, since it uses less digits than its factorization.

56786221051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224921.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 56786221051 in words is "fifty-six billion, seven hundred eighty-six million, two hundred twenty-one thousand, fifty-one".

Divisors: 1 7 1123 7861 7223791 50566537 8112317293 56786221051