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48789157540 = 2252439457877
BaseRepresentation
bin101101011100000011…
…110111011010100100
311122221012102000000211
4231130003313122210
51244410011020130
634225144545204
73345016665544
oct553403673244
9148835360024
1048789157540
1119767231202
129557482204
1347a6c503b6
14250b9bb324
151408416a2a
hexb5c0f76a4

48789157540 has 12 divisors (see below), whose sum is σ = 102457230876. Its totient is φ = 19515663008.

The previous prime is 48789157513. The next prime is 48789157559. The reversal of 48789157540 is 4575198784.

It can be written as a sum of positive squares in 2 ways, for example, as 12335656356 + 36453501184 = 111066^2 + 190928^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219728919 + ... + 1219728958.

It is an arithmetic number, because the mean of its divisors is an integer number (8538102573).

Almost surely, 248789157540 is an apocalyptic number.

It is an amenable number.

48789157540 is an abundant number, since it is smaller than the sum of its proper divisors (53668073336).

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

48789157540 is a wasteful number, since it uses less digits than its factorization.

48789157540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439457886 (or 2439457884 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 48789157540 in words is "forty-eight billion, seven hundred eighty-nine million, one hundred fifty-seven thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2439457877 4878915754 9757831508 12197289385 24394578770 48789157540