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30451020017 = 1129372579939
BaseRepresentation
bin11100010111000001…
…011011000011110001
32220121011222002112012
4130113001123003301
5444330430120032
621553343012305
72125414254005
oct342701330361
986534862465
1030451020017
1111a06897050
125a99b9a095
132b4395b152
14168c2d0705
15bd35196b2
hex71705b0f1

30451020017 has 16 divisors (see below), whose sum is σ = 35293579200. Its totient is φ = 26005775040.

The previous prime is 30451020001. The next prime is 30451020121. The reversal of 30451020017 is 71002015403.

It is a cyclic number.

It is not a de Polignac number, because 30451020017 - 24 = 30451020001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30451019974 and 30451020001.

It is not an unprimeable number, because it can be changed into a prime (30451020917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278167 + ... + 1301772.

It is an arithmetic number, because the mean of its divisors is an integer number (2205848700).

Almost surely, 230451020017 is an apocalyptic number.

30451020017 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30451020017 is a deficient number, since it is larger than the sum of its proper divisors (4842559183).

30451020017 is a wasteful number, since it uses less digits than its factorization.

30451020017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580016.

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 30451020017 in words is "thirty billion, four hundred fifty-one million, twenty thousand, seventeen".

Divisors: 1 11 29 37 319 407 1073 11803 2579939 28379329 74818231 95457743 823000541 1050035173 2768274547 30451020017