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30402034000 = 2453132961661
BaseRepresentation
bin11100010100000110…
…100011100101010000
32220110202210100100021
4130110012203211100
5444230410042000
621544433033224
72124251011432
oct342406434520
986422710307
1030402034000
1111991179138
125a856b5814
132b36769440
1416859bc652
15bce09011a
hex7141a3950

30402034000 has 320 divisors, whose sum is σ = 83365289280. Its totient is φ = 10644480000.

The previous prime is 30402033899. The next prime is 30402034001. The reversal of 30402034000 is 43020403.

It can be written as a sum of positive squares in 32 ways, for example, as 29739692304 + 662341696 = 172452^2 + 25736^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402034001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45993670 + ... + 45994330.

It is an arithmetic number, because the mean of its divisors is an integer number (260516529).

Almost surely, 230402034000 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 30402034000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41682644640).

30402034000 is an abundant number, since it is smaller than the sum of its proper divisors (52963255280).

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

30402034000 is a wasteful number, since it uses less digits than its factorization.

30402034000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30402034000 its reverse (43020403), we get a palindrome (30445054403).

The spelling of 30402034000 in words is "thirty billion, four hundred two million, thirty-four thousand".