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12869867148 = 2234324941603
BaseRepresentation
bin10111111110001101…
…01001011010001100
31020012220220222202020
423333012221122030
5202324141222043
65525021530140
7633633031365
oct137706513214
936186828666
1012869867148
115504782746
1225b2113950
1312a143a908
148a1372b6c
15504ce8e83
hex2ff1a968c

12869867148 has 24 divisors (see below), whose sum is σ = 30728056128. Its totient is φ = 4190189136.

The previous prime is 12869867147. The next prime is 12869867149. The reversal of 12869867148 is 84176896821.

It is an interprime number because it is at equal distance from previous prime (12869867147) and next prime (12869867149).

It is a junction number, because it is equal to n+sod(n) for n = 12869867091 and 12869867100.

It is not an unprimeable number, because it can be changed into a prime (12869867147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12470286 + ... + 12471317.

It is an arithmetic number, because the mean of its divisors is an integer number (1280335672).

Almost surely, 212869867148 is an apocalyptic number.

It is an amenable number.

12869867148 is an abundant number, since it is smaller than the sum of its proper divisors (17858188980).

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

12869867148 is a wasteful number, since it uses less digits than its factorization.

12869867148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24941653 (or 24941651 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 60.

The spelling of 12869867148 in words is "twelve billion, eight hundred sixty-nine million, eight hundred sixty-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 24941603 49883206 74824809 99766412 149649618 299299236 1072488929 2144977858 3217466787 4289955716 6434933574 12869867148