Search a number
-
+
30791414534 = 2831619114571
BaseRepresentation
bin11100101011010011…
…111011001100000110
32221110220110221000112
4130223103323030012
51001030100231114
622051222513022
72140016463566
oct345323731406
987426427015
1030791414534
1112070a50531
125b73b95772
132b9933021a
1416c15bada6
15c0335713e
hex72b4fb306

30791414534 has 16 divisors (see below), whose sum is σ = 46772873280. Its totient is φ = 15200689320.

The previous prime is 30791414491. The next prime is 30791414567. The reversal of 30791414534 is 43541419703.

It is a super-2 number, since 2×307914145342 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30791414491 and 30791414500.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 211469 + ... + 326039.

It is an arithmetic number, because the mean of its divisors is an integer number (2923304580).

Almost surely, 230791414534 is an apocalyptic number.

30791414534 is a deficient number, since it is larger than the sum of its proper divisors (15981458746).

30791414534 is a wasteful number, since it uses less digits than its factorization.

30791414534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116275.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 30791414534 in words is "thirty billion, seven hundred ninety-one million, four hundred fourteen thousand, five hundred thirty-four".

Divisors: 1 2 83 166 1619 3238 114571 134377 229142 268754 9509393 19018786 185490449 370980898 15395707267 30791414534