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30422427840 = 2632573148679
BaseRepresentation
bin11100010101010100…
…010110100011000000
32220112012011110102200
4130111110112203000
5444301120142330
621550442113200
72124616240620
oct342524264300
986465143380
1030422427840
11119a1738352
125a904ab800
132b3aa59bbc
1416885aa880
15bd0c6ca60
hex7155168c0

30422427840 has 336 divisors, whose sum is σ = 123449364480. Its totient is φ = 6729246720.

The previous prime is 30422427839. The next prime is 30422427859. The reversal of 30422427840 is 4872422403.

30422427840 is a `hidden beast` number, since 304 + 2 + 242 + 78 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 30422427795 and 30422427804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 600621 + ... + 649299.

Almost surely, 230422427840 is an apocalyptic number.

30422427840 is a gapful number since it is divisible by the number (30) 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 30422427840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61724682240).

30422427840 is an abundant number, since it is smaller than the sum of its proper divisors (93026936640).

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

30422427840 is a wasteful number, since it uses less digits than its factorization.

30422427840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48740 (or 48727 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 30422427840 in words is "thirty billion, four hundred twenty-two million, four hundred twenty-seven thousand, eight hundred forty".