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30450145600 = 2652710725409
BaseRepresentation
bin11100010110111110…
…000101100101000000
32220121010022200001101
4130112332011211000
5444330214124400
621553312144144
72125403652460
oct342676054500
986533280041
1030450145600
1111a0634a096
125a99838054
132b43713144
14168c143ba0
15bd33e556a
hex716f85940

30450145600 has 168 divisors, whose sum is σ = 86433842880. Its totient is φ = 10342072320.

The previous prime is 30450145577. The next prime is 30450145643. The reversal of 30450145600 is 654105403.

It is a super-2 number, since 2×304501456002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185696 + ... + 1211104.

It is an arithmetic number, because the mean of its divisors is an integer number (514487160).

Almost surely, 230450145600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30450145600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43216921440).

30450145600 is an abundant number, since it is smaller than the sum of its proper divisors (55983697280).

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

30450145600 is a wasteful number, since it uses less digits than its factorization.

30450145600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25545 (or 25530 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 30450145600 in words is "thirty billion, four hundred fifty million, one hundred forty-five thousand, six hundred".