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48885630879 = 3193723179531
BaseRepresentation
bin101101100001110011…
…111000011110011111
311200011220221100120110
4231201303320132133
51300104210142004
634242512421103
73350301002121
oct554163703637
9150156840513
1048885630879
1119806734038
129583847793
1347c0c2a907
14251a731211
151411b21589
hexb61cf879f

48885630879 has 16 divisors (see below), whose sum is σ = 70465777280. Its totient is φ = 30040670880.

The previous prime is 48885630877. The next prime is 48885630881. The reversal of 48885630879 is 97803658884.

It is an interprime number because it is at equal distance from previous prime (48885630877) and next prime (48885630881).

It is not a de Polignac number, because 48885630879 - 21 = 48885630877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48885630877) 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, 11587657 + ... + 11591874.

It is an arithmetic number, because the mean of its divisors is an integer number (4404111080).

Almost surely, 248885630879 is an apocalyptic number.

48885630879 is a deficient number, since it is larger than the sum of its proper divisors (21580146401).

48885630879 is a wasteful number, since it uses less digits than its factorization.

48885630879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23179590.

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 48885630879 in words is "forty-eight billion, eight hundred eighty-five million, six hundred thirty thousand, eight hundred seventy-nine".

Divisors: 1 3 19 37 57 111 703 2109 23179531 69538593 440411089 857642647 1321233267 2572927941 16295210293 48885630879