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30807452173 = 172967932683
BaseRepresentation
bin11100101100010001…
…000110101000001101
32221112000122201112011
4130230101012220031
51001043201432143
622052554341221
72140303010551
oct345421065015
987460581464
1030807452173
111207a004883
125b7942a811
132b9c756c54
1416c3793861
15c04973e9d
hex72c446a0d

30807452173 has 16 divisors (see below), whose sum is σ = 34248156480. Its totient is φ = 27577541376.

The previous prime is 30807452153. The next prime is 30807452183. The reversal of 30807452173 is 37125470803.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30807452173 - 225 = 30773897741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30807452153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433311 + ... + 499372.

It is an arithmetic number, because the mean of its divisors is an integer number (2140509780).

Almost surely, 230807452173 is an apocalyptic number.

It is an amenable number.

30807452173 is a deficient number, since it is larger than the sum of its proper divisors (3440704307).

30807452173 is a wasteful number, since it uses less digits than its factorization.

30807452173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932796.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 30807452173 in words is "thirty billion, eight hundred seven million, four hundred fifty-two thousand, one hundred seventy-three".

Divisors: 1 17 29 67 493 1139 1943 33031 932683 15855611 27047807 62489761 459812719 1062325937 1812203069 30807452173