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61319123675 = 5217144280291
BaseRepresentation
bin111001000110111001…
…111001001011011011
312212021102202020020122
4321012321321023123
52001040143424200
644100345343455
74300354644215
oct710671711333
9185242666218
1061319123675
1124007057217
12ba73797b8b
135a22b2c744
142d79b515b5
1518dd46e385
hexe46e792db

61319123675 has 12 divisors (see below), whose sum is σ = 80508402936. Its totient is φ = 46169692800.

The previous prime is 61319123651. The next prime is 61319123699. The reversal of 61319123675 is 57632191316.

It is an interprime number because it is at equal distance from previous prime (61319123651) and next prime (61319123699).

It is not a de Polignac number, because 61319123675 - 210 = 61319122651 is a prime.

It is a super-4 number, since 4×613191236754 (a number of 44 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72139721 + ... + 72140570.

It is an arithmetic number, because the mean of its divisors is an integer number (6709033578).

Almost surely, 261319123675 is an apocalyptic number.

61319123675 is a deficient number, since it is larger than the sum of its proper divisors (19189279261).

61319123675 is a wasteful number, since it uses less digits than its factorization.

61319123675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144280318 (or 144280313 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The spelling of 61319123675 in words is "sixty-one billion, three hundred nineteen million, one hundred twenty-three thousand, six hundred seventy-five".

Divisors: 1 5 17 25 85 425 144280291 721401455 2452764947 3607007275 12263824735 61319123675