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29809768101 = 3193181128429
BaseRepresentation
bin11011110000110011…
…001111011010100101
32211221111100010021020
4123300303033122211
5442022300034401
621405554441353
72103466563621
oct336063173245
984844303236
1029809768101
1111707922a93
12593b293259
132a70b4ac49
14162b08a181
15b9709dd36
hex6f0ccf6a5

29809768101 has 16 divisors (see below), whose sum is σ = 39975764160. Its totient is φ = 19758597120.

The previous prime is 29809768091. The next prime is 29809768111. The reversal of 29809768101 is 10186790892.

It is an interprime number because it is at equal distance from previous prime (29809768091) and next prime (29809768111).

It is not a de Polignac number, because 29809768101 - 219 = 29809243813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29809768111) 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, 1034355 + ... + 1062783.

It is an arithmetic number, because the mean of its divisors is an integer number (2498485260).

Almost surely, 229809768101 is an apocalyptic number.

It is an amenable number.

29809768101 is a deficient number, since it is larger than the sum of its proper divisors (10165996059).

29809768101 is a wasteful number, since it uses less digits than its factorization.

29809768101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30436.

The product of its (nonzero) digits is 435456, while the sum is 51.

The spelling of 29809768101 in words is "twenty-nine billion, eight hundred nine million, seven hundred sixty-eight thousand, one hundred one".

Divisors: 1 3 193 579 1811 5433 28429 85287 349523 1048569 5486797 16460391 51484919 154454757 9936589367 29809768101