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30100321320 = 2335250836011
BaseRepresentation
bin11100000010000111…
…100111010000101000
32212200202001202100120
4130002013213100220
5443121140240240
621454454203240
72113625336556
oct340207472050
985622052316
1030100321320
1111846934a13
125a00653520
132ab90bbc24
1416578c0bd6
15bb2843ad0
hex7021e7428

30100321320 has 32 divisors (see below), whose sum is σ = 90300964320. Its totient is φ = 8026752320.

The previous prime is 30100321297. The next prime is 30100321369. The reversal of 30100321320 is 2312300103.

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 30100321320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125417886 + ... + 125418125.

It is an arithmetic number, because the mean of its divisors is an integer number (2821905135).

Almost surely, 230100321320 is an apocalyptic number.

30100321320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30100321320 is an abundant number, since it is smaller than the sum of its proper divisors (60200643000).

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

30100321320 is a wasteful number, since it uses less digits than its factorization.

30100321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250836025 (or 250836021 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30100321320 its reverse (2312300103), we get a palindrome (32412621423).

The spelling of 30100321320 in words is "thirty billion, one hundred million, three hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 250836011 501672022 752508033 1003344044 1254180055 1505016066 2006688088 2508360110 3010032132 3762540165 5016720220 6020064264 7525080330 10033440440 15050160660 30100321320