Search a number
-
+
30122478352338 = 2317488096050491
BaseRepresentation
bin1101101100101011011111…
…00111110011011111010010
310221122200101022022201020220
412312111233213303133102
512422011313424233323
6144022024151213510
76226164044246511
oct666255747633722
9127580338281226
1030122478352338
119663964813a49
123465b31077296
1313a66cac16698
14761d1590a678
1537384c6310e3
hex1b656f9f37d2

30122478352338 has 32 divisors (see below), whose sum is σ = 63790095136320. Its totient is φ = 9449994109440.

The previous prime is 30122478352333. The next prime is 30122478352399. The reversal of 30122478352338 is 83325387422103.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (30122478352333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953273 + ... + 8003763.

It is an arithmetic number, because the mean of its divisors is an integer number (1993440473010).

Almost surely, 230122478352338 is an apocalyptic number.

30122478352338 is an abundant number, since it is smaller than the sum of its proper divisors (33667616783982).

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

30122478352338 is a wasteful number, since it uses less digits than its factorization.

30122478352338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099322.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 30122478352338 in words is "thirty trillion, one hundred twenty-two billion, four hundred seventy-eight million, three hundred fifty-two thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 17 34 51 102 48809 97618 146427 292854 829753 1659506 2489259 4978518 6050491 12100982 18151473 36302946 102858347 205716694 308575041 617150082 295318415219 590636830438 885955245657 1771910491314 5020413058723 10040826117446 15061239176169 30122478352338