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29420306790 = 2357140096699
BaseRepresentation
bin11011011001100101…
…100100000101100110
32210221100111102210020
4123121211210011212
5440223044304130
621303203140010
72061030324120
oct333145440546
983840442706
1029420306790
1111527aa5a36
125850974606
132a0b259474
1415d146a210
15b72cbce10
hex6d9964166

29420306790 has 32 divisors (see below), whose sum is σ = 80695699200. Its totient is φ = 6724641504.

The previous prime is 29420306789. The next prime is 29420306791. The reversal of 29420306790 is 9760302492.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29420306789) and next prime (29420306791).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29420306791) 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 15 ways as a sum of consecutive naturals, for example, 70048140 + ... + 70048559.

It is an arithmetic number, because the mean of its divisors is an integer number (2521740600).

Almost surely, 229420306790 is an apocalyptic number.

29420306790 is an abundant number, since it is smaller than the sum of its proper divisors (51275392410).

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

29420306790 is a wasteful number, since it uses less digits than its factorization.

29420306790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140096716.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 29420306790 in words is "twenty-nine billion, four hundred twenty million, three hundred six thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 140096699 280193398 420290097 700483495 840580194 980676893 1400966990 1961353786 2101450485 2942030679 4202900970 4903384465 5884061358 9806768930 14710153395 29420306790