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29797474746 = 23131991919693
BaseRepresentation
bin11011110000000100…
…010110000110111010
32211220122012112221210
4123300010112012322
5442011123142441
621404435143550
72103260233134
oct336004260672
984818175853
1029797474746
1111700996896
125937144bb6
132a6b435580
1416295aa054
15b95e71616
hex6f01161ba

29797474746 has 32 divisors (see below), whose sum is σ = 64501718400. Its totient is φ = 9122376384.

The previous prime is 29797474739. The next prime is 29797474769. The reversal of 29797474746 is 64747479792.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944325 + ... + 975368.

It is an arithmetic number, because the mean of its divisors is an integer number (2015678700).

Almost surely, 229797474746 is an apocalyptic number.

29797474746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29797474746 is an abundant number, since it is smaller than the sum of its proper divisors (34704243654).

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

29797474746 is a wasteful number, since it uses less digits than its factorization.

29797474746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919910.

The product of its digits is 149361408, while the sum is 66.

The spelling of 29797474746 in words is "twenty-nine billion, seven hundred ninety-seven million, four hundred seventy-four thousand, seven hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 199 398 597 1194 2587 5174 7761 15522 1919693 3839386 5759079 11518158 24956009 49912018 74868027 149736054 382018907 764037814 1146056721 2292113442 4966245791 9932491582 14898737373 29797474746