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12908029183 = 721920896637
BaseRepresentation
bin11000000010110000…
…01110010011111111
31020022120201211012221
430001120032103333
5202413423413213
65532503510211
7634605303100
oct140130162377
936276654187
1012908029183
115524278415
122602a58367
1312a930c9ba
148a64683a7
1550833638d
hex30160e4ff

12908029183 has 24 divisors (see below), whose sum is σ = 15815698800. Its totient is φ = 10475111808.

The previous prime is 12908029181. The next prime is 12908029223. The reversal of 12908029183 is 38192080921.

12908029183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12908029183 - 21 = 12908029181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12908029181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1941541 + ... + 1948177.

It is an arithmetic number, because the mean of its divisors is an integer number (658987450).

Almost surely, 212908029183 is an apocalyptic number.

12908029183 is a deficient number, since it is larger than the sum of its proper divisors (2907669617).

12908029183 is a wasteful number, since it uses less digits than its factorization.

12908029183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 12908029183 in words is "twelve billion, nine hundred eight million, twenty-nine thousand, one hundred eighty-three".

Divisors: 1 7 19 49 133 931 2089 6637 14623 39691 46459 102361 126103 277837 325213 882721 1944859 6179047 13864693 97052851 263429167 679369957 1844004169 12908029183