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30139022982 = 2359109781087
BaseRepresentation
bin11100000100011011…
…001111111010000110
32212210102220000001110
4130010123033322012
5443211042213412
621502355505450
72114605316445
oct340433177206
985712800043
1030139022982
1111866769062
125a115b8286
132ac411c813
14165cab6d5c
15bb5e3ad3c
hex7046cfe86

30139022982 has 32 divisors (see below), whose sum is σ = 61862169600. Its totient is φ = 9785445408.

The previous prime is 30139022981. The next prime is 30139022987. The reversal of 30139022982 is 28922093103.

It is a self number, because there is not a number n which added to its sum of digits gives 30139022982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30139022981) 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, 351958 + ... + 429129.

It is an arithmetic number, because the mean of its divisors is an integer number (1933192800).

Almost surely, 230139022982 is an apocalyptic number.

30139022982 is an abundant number, since it is smaller than the sum of its proper divisors (31723146618).

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

30139022982 is a wasteful number, since it uses less digits than its factorization.

30139022982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781260.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 30139022982 in words is "thirty billion, one hundred thirty-nine million, twenty-two thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 59 109 118 177 218 327 354 654 6431 12862 19293 38586 781087 1562174 2343261 4686522 46084133 85138483 92168266 138252399 170276966 255415449 276504798 510830898 5023170497 10046340994 15069511491 30139022982