Search a number
-
+
30157943435 = 531219513217
BaseRepresentation
bin11100000101100011…
…011011001010001011
32212211202111021000222
4130011203123022023
5443230413142220
621504313220255
72115225201224
oct340543331213
985752437028
1030157943435
11118764112a4
125a17a0168b
132ac8015759
14166140024b
15bb7926e25
hex7058db28b

30157943435 has 24 divisors (see below), whose sum is σ = 37425391488. Its totient is φ = 23328864000.

The previous prime is 30157943429. The next prime is 30157943447. The reversal of 30157943435 is 53434975103.

It is not a de Polignac number, because 30157943435 - 26 = 30157943371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9372947 + ... + 9376163.

It is an arithmetic number, because the mean of its divisors is an integer number (1559391312).

Almost surely, 230157943435 is an apocalyptic number.

30157943435 is a deficient number, since it is larger than the sum of its proper divisors (7267448053).

30157943435 is a wasteful number, since it uses less digits than its factorization.

30157943435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235 (or 5204 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 30157943435 in words is "thirty billion, one hundred fifty-seven million, nine hundred forty-three thousand, four hundred thirty-five".

Divisors: 1 5 31 155 961 1951 3217 4805 9755 16085 60481 99727 302405 498635 1874911 3091537 6276367 9374555 15457685 31381835 194567377 972836885 6031588687 30157943435