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30100000000 = 2858743
BaseRepresentation
bin11100000010000110…
…011000110100000000
32212200201110102120211
4130002012120310000
5443121100000000
621454443243504
72113622531020
oct340206306400
985621412524
1030100000000
1111846735564
125a00519594
132ab90088b5
141657839a80
15bb27cd7ba
hex702198d00

30100000000 has 324 divisors, whose sum is σ = 87828080032. Its totient is φ = 10080000000.

The previous prime is 30099999989. The next prime is 30100000067. The reversal of 30100000000 is 103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 699999979 + ... + 700000021.

Almost surely, 230100000000 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 30100000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43914040016).

30100000000 is an abundant number, since it is smaller than the sum of its proper divisors (57728080032).

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

30100000000 is an frugal number, since it uses more digits than its factorization.

30100000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

Adding to 30100000000 its reverse (103), we get a palindrome (30100000103).

The spelling of 30100000000 in words is "thirty billion, one hundred million", and thus it is an aban number.