Search a number
-
+
30013140378 = 23131849320807
BaseRepresentation
bin11011111100111011…
…000010110110011010
32212110200000111120210
4123330323002312122
5442431330443003
621442101431550
72111516324664
oct337473026632
985420014523
1030013140378
11118016a9651
12599740b5b6
132aa4016180
14164a0a9534
15ba9d72503
hex6fcec2d9a

30013140378 has 32 divisors (see below), whose sum is σ = 64650289536. Its totient is φ = 9233869248.

The previous prime is 30013140361. The next prime is 30013140379. The reversal of 30013140378 is 87304131003.

It is not an unprimeable number, because it can be changed into a prime (30013140379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432051 + ... + 1452857.

It is an arithmetic number, because the mean of its divisors is an integer number (2020321548).

Almost surely, 230013140378 is an apocalyptic number.

30013140378 is an abundant number, since it is smaller than the sum of its proper divisors (34637149158).

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

30013140378 is a wasteful number, since it uses less digits than its factorization.

30013140378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39318.

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

The spelling of 30013140378 in words is "thirty billion, thirteen million, one hundred forty thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 13 26 39 78 18493 20807 36986 41614 55479 62421 110958 124842 240409 270491 480818 540982 721227 811473 1442454 1622946 384783851 769567702 1154351553 2308703106 5002190063 10004380126 15006570189 30013140378