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54670536644 = 22137149366821
BaseRepresentation
bin110010111010100111…
…100010111111000100
312020010002021000102112
4302322213202333010
51343431124133034
641040523200152
73643533615443
oct627247427704
9166102230375
1054670536644
1121205102399
12a719076058
135203585b89
142908b4cd5a
15164e91c7ce
hexcba9e2fc4

54670536644 has 24 divisors (see below), whose sum is σ = 96437777688. Its totient is φ = 27117159680.

The previous prime is 54670536601. The next prime is 54670536649. The reversal of 54670536644 is 44663507645.

It can be written as a sum of positive squares in 4 ways, for example, as 10102260100 + 44568276544 = 100510^2 + 211112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54670536592 and 54670536601.

It is not an unprimeable number, because it can be changed into a prime (54670536649) 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, 784754 + ... + 851574.

It is an arithmetic number, because the mean of its divisors is an integer number (4018240737).

Almost surely, 254670536644 is an apocalyptic number.

It is an amenable number.

54670536644 is a deficient number, since it is larger than the sum of its proper divisors (41767241044).

54670536644 is a wasteful number, since it uses less digits than its factorization.

54670536644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68455 (or 68453 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 54670536644 in words is "fifty-four billion, six hundred seventy million, five hundred thirty-six thousand, six hundred forty-four".

Divisors: 1 2 4 137 274 548 1493 2986 5972 66821 133642 204541 267284 409082 818164 9154477 18308954 36617908 99763753 199527506 399055012 13667634161 27335268322 54670536644