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30142328950 = 2525416431733
BaseRepresentation
bin11100000100100111…
…110111000001110110
32212210200002221222201
4130010213313001312
5443212414011300
621502554415114
72114645366026
oct340447670166
985720087881
1030142328950
1111868616968
125a1273149a
132ac4a09506
14165d2d7a86
15bb639066a
hex7049f7076

30142328950 has 48 divisors (see below), whose sum is σ = 56288178576. Its totient is φ = 12008995200.

The previous prime is 30142328933. The next prime is 30142328959. The reversal of 30142328950 is 5982324103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142328959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17392284 + ... + 17394016.

It is an arithmetic number, because the mean of its divisors is an integer number (1172670387).

Almost surely, 230142328950 is an apocalyptic number.

30142328950 is a deficient number, since it is larger than the sum of its proper divisors (26145849626).

30142328950 is a wasteful number, since it uses less digits than its factorization.

30142328950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 30142328950 in words is "thirty billion, one hundred forty-two million, three hundred twenty-eight thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 541 643 1082 1286 1733 2705 3215 3466 5410 6430 8665 13525 16075 17330 27050 32150 43325 86650 347863 695726 937553 1114319 1739315 1875106 2228638 3478630 4687765 5571595 8696575 9375530 11143190 17393150 23438825 27857975 46877650 55715950 602846579 1205693158 3014232895 6028465790 15071164475 30142328950