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30553252000 = 25537638313
BaseRepresentation
bin11100011101000111…
…011010000010100000
32220212022100000102221
4130131013122002200
51000033113031000
622011434120424
72131065233305
oct343507320240
986768300387
1030553252000
1111a59572497
125b08280114
132b5bba384b
14169bb030ac
15bdc4b061a
hex71d1da0a0

30553252000 has 48 divisors (see below), whose sum is σ = 75069349992. Its totient is φ = 12221299200.

The previous prime is 30553251991. The next prime is 30553252001. The reversal of 30553252000 is 25235503.

It can be written as a sum of positive squares in 4 ways, for example, as 11739289104 + 18813962896 = 108348^2 + 137164^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30553252001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3815157 + ... + 3823156.

Almost surely, 230553252000 is an apocalyptic number.

It is an amenable number.

30553252000 is an abundant number, since it is smaller than the sum of its proper divisors (44516097992).

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

30553252000 is an equidigital number, since it uses as much as digits as its factorization.

30553252000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638338 (or 7638320 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 30553252000 its reverse (25235503), we get a palindrome (30578487503).

The spelling of 30553252000 in words is "thirty billion, five hundred fifty-three million, two hundred fifty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 7638313 15276626 30553252 38191565 61106504 76383130 122213008 152766260 190957825 244426016 305532520 381915650 611065040 763831300 954789125 1222130080 1527662600 1909578250 3055325200 3819156500 6110650400 7638313000 15276626000 30553252000