Search a number
-
+
30120511343 = 132316962411
BaseRepresentation
bin11100000011010100…
…101000011101101111
32212202011001111212012
4130003110220131233
5443141322330333
621500455031435
72114262056606
oct340324503557
985664044765
1030120511343
1111857274a8a
125a0736b57b
132ac033a9a0
14165a458a3d
15bb44d0e48
hex70352876f

30120511343 has 4 divisors (see below), whose sum is σ = 32437473768. Its totient is φ = 27803548920.

The previous prime is 30120511331. The next prime is 30120511363. The reversal of 30120511343 is 34311502103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34311502103 = 71483260593.

It is a cyclic number.

It is not a de Polignac number, because 30120511343 - 234 = 12940642159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120511303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158481193 + ... + 1158481218.

It is an arithmetic number, because the mean of its divisors is an integer number (8109368442).

Almost surely, 230120511343 is an apocalyptic number.

30120511343 is a deficient number, since it is larger than the sum of its proper divisors (2316962425).

30120511343 is a wasteful number, since it uses less digits than its factorization.

30120511343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316962424.

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 30120511343 in words is "thirty billion, one hundred twenty million, five hundred eleven thousand, three hundred forty-three".

Divisors: 1 13 2316962411 30120511343