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30020607138 = 2314057355939
BaseRepresentation
bin11011111101010111…
…100001110010100010
32212111012001212001110
4123331113201302202
5442440233412023
621442525444150
72111636643654
oct337527416242
985435055043
1030020607138
1111805939525
125999a10656
132aa572b982
14164b0906d4
15baa849a93
hex6fd5e1ca2

30020607138 has 16 divisors (see below), whose sum is σ = 60045654240. Its totient is φ = 10006129056.

The previous prime is 30020607109. The next prime is 30020607143. The reversal of 30020607138 is 83170602003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93628 + ... + 262311.

It is an arithmetic number, because the mean of its divisors is an integer number (3752853390).

Almost surely, 230020607138 is an apocalyptic number.

30020607138 is an abundant number, since it is smaller than the sum of its proper divisors (30025047102).

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

30020607138 is a wasteful number, since it uses less digits than its factorization.

30020607138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370001.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 30020607138 in words is "thirty billion, twenty million, six hundred seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 14057 28114 42171 84342 355939 711878 1067817 2135634 5003434523 10006869046 15010303569 30020607138