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48806778969 = 32131034050019
BaseRepresentation
bin101101011101000111…
…000101100001011001
311122222102120021002100
4231131013011201121
51244424013411334
634231014354013
73345322530144
oct553507054131
9148872507070
1048806778969
1119776177473
12956135b909
1347aa7acc90
14251008705b
151409c47c99
hexb5d1c5859

48806778969 has 24 divisors (see below), whose sum is σ = 76658778560. Its totient is φ = 29743332192.

The previous prime is 48806778967. The next prime is 48806778971. The reversal of 48806778969 is 96987760884.

48806778969 is a `hidden beast` number, since 488 + 0 + 6 + 7 + 7 + 89 + 69 = 666.

48806778969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48806778967) and next prime (48806778971).

It is not a de Polignac number, because 48806778969 - 21 = 48806778967 is a prime.

It is a super-2 number, since 2×488067789692 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48806778897 and 48806778906.

It is not an unprimeable number, because it can be changed into a prime (48806778961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2012959 + ... + 2037060.

Almost surely, 248806778969 is an apocalyptic number.

It is an amenable number.

48806778969 is a deficient number, since it is larger than the sum of its proper divisors (27851999591).

48806778969 is a wasteful number, since it uses less digits than its factorization.

48806778969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050141 (or 4050138 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 72.

The spelling of 48806778969 in words is "forty-eight billion, eight hundred six million, seven hundred seventy-eight thousand, nine hundred sixty-nine".

Divisors: 1 3 9 13 39 103 117 309 927 1339 4017 12051 4050019 12150057 36450171 52650247 157950741 417151957 473852223 1251455871 3754367613 5422975441 16268926323 48806778969