Search a number
-
+
30012312120232 = 23131485119431683
BaseRepresentation
bin1101101001011110010010…
…01100111110101110101000
310221021011000122010021022011
412310233021030332232220
512413210203400321412
6143455244342405304
76215214033602401
oct664571114765650
9127234018107264
1030012312120232
119621171855232
123448706730834
1313991c21564b0
1475a8646149a8
15370a50b4e7a7
hex1b4bc933eba8

30012312120232 has 32 divisors (see below), whose sum is σ = 60605867861280. Its totient is φ = 13850902929600.

The previous prime is 30012312120211. The next prime is 30012312120233. The reversal of 30012312120232 is 23202121321003.

It is not an unprimeable number, because it can be changed into a prime (30012312120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8171338 + ... + 11260345.

It is an arithmetic number, because the mean of its divisors is an integer number (1893933370665).

Almost surely, 230012312120232 is an apocalyptic number.

It is an amenable number.

30012312120232 is an abundant number, since it is smaller than the sum of its proper divisors (30593555741048).

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

30012312120232 is a wasteful number, since it uses less digits than its factorization.

30012312120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19446553 (or 19446549 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30012312120232 its reverse (23202121321003), we get a palindrome (53214433441235).

The spelling of 30012312120232 in words is "thirty trillion, twelve billion, three hundred twelve million, one hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 14851 29702 59404 118808 193063 386126 772252 1544504 19431683 38863366 77726732 155453464 252611879 505223758 1010447516 2020895032 288579924233 577159848466 1154319696932 2308639393864 3751539015029 7503078030058 15006156060116 30012312120232