Search a number
-
+
30015366460 = 2251500768323
BaseRepresentation
bin11011111101000011…
…100010010100111100
32212110211012121012021
4123331003202110330
5442432413211320
621442221245524
72111544256012
oct337503422474
985424177167
1030015366460
111180298a092
1259981038a4
132aa4615491
14164a4c88b2
15baa161daa
hex6fd0e253c

30015366460 has 12 divisors (see below), whose sum is σ = 63032269608. Its totient is φ = 12006146576.

The previous prime is 30015366439. The next prime is 30015366461. The reversal of 30015366460 is 6466351003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30015366461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 750384142 + ... + 750384181.

It is an arithmetic number, because the mean of its divisors is an integer number (5252689134).

Almost surely, 230015366460 is an apocalyptic number.

It is an amenable number.

30015366460 is an abundant number, since it is smaller than the sum of its proper divisors (33016903148).

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

30015366460 is a wasteful number, since it uses less digits than its factorization.

30015366460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500768332 (or 1500768330 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 30015366460 in words is "thirty billion, fifteen million, three hundred sixty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 1500768323 3001536646 6003073292 7503841615 15007683230 30015366460