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30340429648 = 2429451314489
BaseRepresentation
bin11100010000011011…
…100011011101010000
32220022110212112001121
4130100123203131100
5444114122222043
621534352412024
72122602253054
oct342033433520
986273775047
1030340429648
111195a421951
125a68b47014
132b26a7a169
14167b743c64
15bc8971ded
hex7106e3750

30340429648 has 40 divisors (see below), whose sum is σ = 60829309800. Its totient is φ = 14642847744.

The previous prime is 30340429643. The next prime is 30340429687. The reversal of 30340429648 is 84692404303.

It can be written as a sum of positive squares in 4 ways, for example, as 918574864 + 29421854784 = 30308^2 + 171528^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340429643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086788 + ... + 2101276.

It is an arithmetic number, because the mean of its divisors is an integer number (1520732745).

Almost surely, 230340429648 is an apocalyptic number.

It is an amenable number.

30340429648 is an abundant number, since it is smaller than the sum of its proper divisors (30488880152).

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

30340429648 is a wasteful number, since it uses less digits than its factorization.

30340429648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039 (or 19033 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 30340429648 in words is "thirty billion, three hundred forty million, four hundred twenty-nine thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 29 58 116 232 464 4513 9026 14489 18052 28978 36104 57956 72208 115912 130877 231824 261754 420181 523508 840362 1047016 1680724 2094032 3361448 6722896 65388857 130777714 261555428 523110856 1046221712 1896276853 3792553706 7585107412 15170214824 30340429648