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48195147860 = 2255881409753
BaseRepresentation
bin101100111000101001…
…111001100001010100
311121101210200011221022
4230320221321201110
51242200424212420
634050205140312
73324214666106
oct547051714124
9147353604838
1048195147860
11194919a4a12
12941055a698
134710b71292
142492b53576
1513c11cdc25
hexb38a79854

48195147860 has 24 divisors (see below), whose sum is σ = 101227267176. Its totient is φ = 19274734080.

The previous prime is 48195147857. The next prime is 48195147863. The reversal of 48195147860 is 6874159184.

It is an interprime number because it is at equal distance from previous prime (48195147857) and next prime (48195147863).

It can be written as a sum of positive squares in 4 ways, for example, as 10700247364 + 37494900496 = 103442^2 + 193636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48195147863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87257 + ... + 322496.

It is an arithmetic number, because the mean of its divisors is an integer number (4217802799).

Almost surely, 248195147860 is an apocalyptic number.

It is an amenable number.

48195147860 is an abundant number, since it is smaller than the sum of its proper divisors (53032119316).

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

48195147860 is a wasteful number, since it uses less digits than its factorization.

48195147860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415643 (or 415641 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 48195147860 in words is "forty-eight billion, one hundred ninety-five million, one hundred forty-seven thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 5881 11762 23524 29405 58810 117620 409753 819506 1639012 2048765 4097530 8195060 2409757393 4819514786 9639029572 12048786965 24097573930 48195147860