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5129172948 = 223427431079
BaseRepresentation
bin1001100011011100…
…01111011111010100
3111020110102222112110
410301232033133110
541001032013243
62204543551020
7241051151664
oct46156173724
914213388473
105129172948
1121a2314609
12bb18bb470
13639847aa3
143692c81a4
1520046ee33
hex131b8f7d4

5129172948 has 12 divisors (see below), whose sum is σ = 11968070240. Its totient is φ = 1709724312.

The previous prime is 5129172941. The next prime is 5129172959. The reversal of 5129172948 is 8492719215.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 5129172897 and 5129172906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129172941) 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 3 ways as a sum of consecutive naturals, for example, 213715528 + ... + 213715551.

Almost surely, 25129172948 is an apocalyptic number.

It is an amenable number.

5129172948 is an abundant number, since it is smaller than the sum of its proper divisors (6838897292).

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

5129172948 is a wasteful number, since it uses less digits than its factorization.

5129172948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427431086 (or 427431084 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 5129172948 is about 71618.2445191168. The cubic root of 5129172948 is about 1724.5764357232.

The spelling of 5129172948 in words is "five billion, one hundred twenty-nine million, one hundred seventy-two thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 427431079 854862158 1282293237 1709724316 2564586474 5129172948