Search a number
-
+
30101122320 = 2435125421343
BaseRepresentation
bin11100000010001010…
…101010110100010000
32212200210120110010020
4130002022222310100
5443121341403240
621454523303440
72113635214053
oct340212526420
985623513106
1030101122320
11118473317a5
125a0097ab80
132ab930c6a9
141657a4ca9a
15bb29510d0
hex7022aad10

30101122320 has 40 divisors (see below), whose sum is σ = 93313479936. Its totient is φ = 8026965888.

The previous prime is 30101122319. The next prime is 30101122349. The reversal of 30101122320 is 2322110103.

It is a tau number, because it is divible by the number of its divisors (40).

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 30101122320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62710432 + ... + 62710911.

Almost surely, 230101122320 is an apocalyptic number.

30101122320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30101122320 is an abundant number, since it is smaller than the sum of its proper divisors (63212357616).

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

30101122320 is a wasteful number, since it uses less digits than its factorization.

30101122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125421359 (or 125421353 counting only the distinct ones).

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

Adding to 30101122320 its reverse (2322110103), we get a palindrome (32423232423).

The spelling of 30101122320 in words is "thirty billion, one hundred one million, one hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 125421343 250842686 376264029 501685372 627106715 752528058 1003370744 1254213430 1505056116 1881320145 2006741488 2508426860 3010112232 3762640290 5016853720 6020224464 7525280580 10033707440 15050561160 30101122320