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48172695551 = 1931741711027
BaseRepresentation
bin101100110111010100…
…001111111111111111
311121100020102111011022
4230313110033333333
51242124202224201
634044044014355
73323523104351
oct546724177777
9147306374138
1048172695551
111948025a192
129404b313bb
13470930c8a6
14248db8b0d1
1513be24641b
hexb3750ffff

48172695551 has 16 divisors (see below), whose sum is σ = 52355650560. Its totient is φ = 44155160640.

The previous prime is 48172695521. The next prime is 48172695563. The reversal of 48172695551 is 15559627184.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48172695551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48172695493 and 48172695502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48172695521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363100 + ... + 4374126.

It is an arithmetic number, because the mean of its divisors is an integer number (3272228160).

Almost surely, 248172695551 is an apocalyptic number.

48172695551 is a deficient number, since it is larger than the sum of its proper divisors (4182955009).

48172695551 is a wasteful number, since it uses less digits than its factorization.

48172695551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18494.

The product of its digits is 3024000, while the sum is 53.

The spelling of 48172695551 in words is "forty-eight billion, one hundred seventy-two million, six hundred ninety-five thousand, five hundred fifty-one".

Divisors: 1 19 31 589 7417 11027 140923 209513 229927 341837 4368613 6494903 81787259 1553957921 2535405029 48172695551