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30231032200 = 2352151155161
BaseRepresentation
bin11100001001111010…
…001111000110001000
32220000212000112222021
4130021322033012020
5443403121012300
621515443534224
72120103351055
oct341172170610
986025015867
1030231032200
11119036a1a36
125a3838a374
132b0a1c6145
14166adc802c
15bbe062d1a
hex709e8f188

30231032200 has 24 divisors (see below), whose sum is σ = 70287150330. Its totient is φ = 12092412800.

The previous prime is 30231032173. The next prime is 30231032207. The reversal of 30231032200 is 223013203.

It can be written as a sum of positive squares in 3 ways, for example, as 15484815844 + 14746216356 = 124438^2 + 121434^2 .

It is not an unprimeable number, because it can be changed into a prime (30231032207) 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, 75577381 + ... + 75577780.

Almost surely, 230231032200 is an apocalyptic number.

It is an amenable number.

30231032200 is an abundant number, since it is smaller than the sum of its proper divisors (40056118130).

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

30231032200 is a wasteful number, since it uses less digits than its factorization.

30231032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151155177 (or 151155168 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30231032200 its reverse (223013203), we get a palindrome (30454045403).

The spelling of 30231032200 in words is "thirty billion, two hundred thirty-one million, thirty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 151155161 302310322 604620644 755775805 1209241288 1511551610 3023103220 3778879025 6046206440 7557758050 15115516100 30231032200