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107675379281 = 239243450067
BaseRepresentation
bin110010001000111110…
…0111110011001010001
3101021221002020000020102
41210101330332121101
53231004344114111
6121244305022145
710531203423401
oct1442174763121
9337832200212
10107675379281
1141734a43168
1218a50324955
13a1cca143a2
1452d6586801
152c02eb113b
hex1911f3e651

107675379281 has 4 divisors (see below), whose sum is σ = 107676068592. Its totient is φ = 107674689972.

The previous prime is 107675379269. The next prime is 107675379293. The reversal of 107675379281 is 182973576701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 182973576701 = 971886325533.

It is an interprime number because it is at equal distance from previous prime (107675379269) and next prime (107675379293).

It is a cyclic number.

It is not a de Polignac number, because 107675379281 - 222 = 107671184977 is a prime.

It is a super-2 number, since 2×1076753792812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107675379181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14210 + ... + 464276.

It is an arithmetic number, because the mean of its divisors is an integer number (26919017148).

Almost surely, 2107675379281 is an apocalyptic number.

It is an amenable number.

107675379281 is a deficient number, since it is larger than the sum of its proper divisors (689311).

107675379281 is an equidigital number, since it uses as much as digits as its factorization.

107675379281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689310.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 107675379281 in words is "one hundred seven billion, six hundred seventy-five million, three hundred seventy-nine thousand, two hundred eighty-one".

Divisors: 1 239243 450067 107675379281