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30623383225 = 521224935329
BaseRepresentation
bin11100100001010010…
…111011111010111001
32221001012022001101201
4130201102323322321
51000204041230400
622022421214201
72132606314441
oct344122737271
987035261351
1030623383225
1111a95113086
125b27861361
132b7058a006
1416a715b121
15be371506a
hex7214bbeb9

30623383225 has 6 divisors (see below), whose sum is σ = 37972995230. Its totient is φ = 24498706560.

The previous prime is 30623383223. The next prime is 30623383243. The reversal of 30623383225 is 52238332603.

It can be written as a sum of positive squares in 3 ways, for example, as 3765417769 + 26857965456 = 61363^2 + 163884^2 .

It is not a de Polignac number, because 30623383225 - 21 = 30623383223 is a prime.

It is a super-2 number, since 2×306233832252 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30623383223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612467640 + ... + 612467689.

Almost surely, 230623383225 is an apocalyptic number.

It is an amenable number.

30623383225 is a deficient number, since it is larger than the sum of its proper divisors (7349612005).

30623383225 is a wasteful number, since it uses less digits than its factorization.

30623383225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224935339 (or 1224935334 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 30623383225 in words is "thirty billion, six hundred twenty-three million, three hundred eighty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 1224935329 6124676645 30623383225