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30211322024 = 2313290493481
BaseRepresentation
bin11100001000101111…
…000011000010101000
32212222110221011200202
4130020233003002220
5443333044301044
621513501251332
72116444000022
oct341057030250
985873834622
1030211322024
11118a355a434
125a31863b48
132b060b4910
141668537012
15bbc46cc4e
hex708bc30a8

30211322024 has 16 divisors (see below), whose sum is σ = 61003631220. Its totient is φ = 13943687040.

The previous prime is 30211321999. The next prime is 30211322027. The reversal of 30211322024 is 42022311203.

It can be written as a sum of positive squares in 2 ways, for example, as 30189062500 + 22259524 = 173750^2 + 4718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30211321987 and 30211322005.

It is not an unprimeable number, because it can be changed into a prime (30211322027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145246637 + ... + 145246844.

Almost surely, 230211322024 is an apocalyptic number.

It is an amenable number.

30211322024 is an abundant number, since it is smaller than the sum of its proper divisors (30792309196).

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

30211322024 is a wasteful number, since it uses less digits than its factorization.

30211322024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290493500 (or 290493496 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30211322024 its reverse (42022311203), we get a palindrome (72233633227).

The spelling of 30211322024 in words is "thirty billion, two hundred eleven million, three hundred twenty-two thousand, twenty-four".

Divisors: 1 2 4 8 13 26 52 104 290493481 580986962 1161973924 2323947848 3776415253 7552830506 15105661012 30211322024