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30476363957 = 132344335689
BaseRepresentation
bin11100011000100010…
…000110100010110101
32220122221122200212122
4130120202012202311
5444403422121312
622000050125325
72126142551024
oct343042064265
986587580778
1030476363957
1111a1a127356
125aa6580845
132b48c92a70
14169180a8bb
15bd5873b72
hex7188868b5

30476363957 has 4 divisors (see below), whose sum is σ = 32820699660. Its totient is φ = 28132028256.

The previous prime is 30476363861. The next prime is 30476363959. The reversal of 30476363957 is 75936367403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1807440196 + 28668923761 = 42514^2 + 169319^2 .

It is a cyclic number.

It is not a de Polignac number, because 30476363957 - 210 = 30476362933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30476363899 and 30476363908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30476363959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172167832 + ... + 1172167857.

It is an arithmetic number, because the mean of its divisors is an integer number (8205174915).

Almost surely, 230476363957 is an apocalyptic number.

It is an amenable number.

30476363957 is a deficient number, since it is larger than the sum of its proper divisors (2344335703).

30476363957 is a wasteful number, since it uses less digits than its factorization.

30476363957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344335702.

The product of its (nonzero) digits is 8573040, while the sum is 53.

The spelling of 30476363957 in words is "thirty billion, four hundred seventy-six million, three hundred sixty-three thousand, nine hundred fifty-seven".

Divisors: 1 13 2344335689 30476363957