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30156354816 = 283729672887
BaseRepresentation
bin11100000101011101…
…010111010100000000
32212211122111112212020
4130011131113110000
5443230011323231
621504215201440
72115205533540
oct340535272400
985748445766
1030156354816
1111875526795
125a17376280
132ac78aa643
141661109320
15bb7711396
hex705757500

30156354816 has 288 divisors, whose sum is σ = 96338135040. Its totient is φ = 8191991808.

The previous prime is 30156354793. The next prime is 30156354913. The reversal of 30156354816 is 61845365103.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10444125 + ... + 10447011.

Almost surely, 230156354816 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 30156354816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48169067520).

30156354816 is an abundant number, since it is smaller than the sum of its proper divisors (66181780224).

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

30156354816 is a wasteful number, since it uses less digits than its factorization.

30156354816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 30156354816 in words is "thirty billion, one hundred fifty-six million, three hundred fifty-four thousand, eight hundred sixteen".