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30148396992 = 263472118687
BaseRepresentation
bin11100000100111111…
…000000011111000000
32212211002112020210000
4130010333000133000
5443220442200432
621503332440000
72115051101100
oct340477003700
985732466700
1030148396992
1111870a9097a
125a14779000
132ac605247c
141660037200
15bb6b8d57c
hex704fc07c0

30148396992 has 210 divisors, whose sum is σ = 103961074272. Its totient is φ = 8613755136.

The previous prime is 30148396991. The next prime is 30148397051. The reversal of 30148396992 is 29969384103.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148396991) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 194673 + ... + 313359.

Almost surely, 230148396992 is an apocalyptic number.

30148396992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30148396992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51980537136).

30148396992 is an abundant number, since it is smaller than the sum of its proper divisors (73812677280).

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

30148396992 is a wasteful number, since it uses less digits than its factorization.

30148396992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118725 (or 118699 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 30148396992 in words is "thirty billion, one hundred forty-eight million, three hundred ninety-six thousand, nine hundred ninety-two".