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245307576113 = 1371790566249
BaseRepresentation
bin1110010001110101111…
…0001000111100110001
3212110011220111000122222
43210131132020330301
513004342214413423
6304405344410425
723502643664435
oct3443536107461
9773156430588
10245307576113
1195041805786
123b661016a15
131a194b81602
14bc315369c5
1565aadbb3c8
hex391d788f31

245307576113 has 4 divisors (see below), whose sum is σ = 247098142500. Its totient is φ = 243517009728.

The previous prime is 245307576077. The next prime is 245307576139. The reversal of 245307576113 is 311675703542.

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 68631948529 + 176675627584 = 261977^2 + 420328^2 .

It is a cyclic number.

It is not a de Polignac number, because 245307576113 - 224 = 245290798897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245307573113) 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, 895282988 + ... + 895283261.

It is an arithmetic number, because the mean of its divisors is an integer number (61774535625).

Almost surely, 2245307576113 is an apocalyptic number.

It is an amenable number.

245307576113 is a deficient number, since it is larger than the sum of its proper divisors (1790566387).

245307576113 is a wasteful number, since it uses less digits than its factorization.

245307576113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790566386.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 245307576113 in words is "two hundred forty-five billion, three hundred seven million, five hundred seventy-six thousand, one hundred thirteen".

Divisors: 1 137 1790566249 245307576113