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30122130210 = 2351004071007
BaseRepresentation
bin11100000011011010…
…110011101100100010
32212202021002202112020
4130003122303230202
5443142231131320
621500553442310
72114311611414
oct340332635442
985667082466
1030122130210
1111858180297
125a07a10396
132ac07867b3
14165a75a9b4
15bb4700940
hex7036b3b22

30122130210 has 16 divisors (see below), whose sum is σ = 72293112576. Its totient is φ = 8032568048.

The previous prime is 30122130169. The next prime is 30122130253. The reversal of 30122130210 is 1203122103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30122130210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502035474 + ... + 502035533.

It is an arithmetic number, because the mean of its divisors is an integer number (4518319536).

Almost surely, 230122130210 is an apocalyptic number.

30122130210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30122130210 is an abundant number, since it is smaller than the sum of its proper divisors (42170982366).

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

30122130210 is a wasteful number, since it uses less digits than its factorization.

30122130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004071017.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30122130210 its reverse (1203122103), we get a palindrome (31325252313).

The spelling of 30122130210 in words is "thirty billion, one hundred twenty-two million, one hundred thirty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1004071007 2008142014 3012213021 5020355035 6024426042 10040710070 15061065105 30122130210