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29742913970 = 2571138627161
BaseRepresentation
bin11011101100110100…
…001101100110110010
32211202211112120122022
4123230310031212302
5441403141221340
621355205511442
72102025411620
oct335464154662
984684476568
1029742913970
1111683110540
125920a12582
132a600412a3
141622246510
15b912953b5
hex6ecd0d9b2

29742913970 has 32 divisors (see below), whose sum is σ = 66747735936. Its totient is φ = 9270518400.

The previous prime is 29742913969. The next prime is 29742913987. The reversal of 29742913970 is 7931924792.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19312811 + ... + 19314350.

It is an arithmetic number, because the mean of its divisors is an integer number (2085866748).

Almost surely, 229742913970 is an apocalyptic number.

29742913970 is an abundant number, since it is smaller than the sum of its proper divisors (37004821966).

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

29742913970 is a wasteful number, since it uses less digits than its factorization.

29742913970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38627186.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 29742913970 in words is "twenty-nine billion, seven hundred forty-two million, nine hundred thirteen thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 38627161 77254322 193135805 270390127 386271610 424898771 540780254 849797542 1351950635 2124493855 2703901270 2974291397 4248987710 5948582794 14871456985 29742913970