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10661714293 = 40032663431
BaseRepresentation
bin10011110110111110…
…01101100101110101
31000112000220012111011
421323133031211311
5133313344324133
64521541312221
7525131035066
oct117337154565
930460805434
1010661714293
11458129482a
122096705671
13100bb133a9
14731db256d
1542601b6cd
hex27b7cd975

10661714293 has 4 divisors (see below), whose sum is σ = 10664381728. Its totient is φ = 10659046860.

The previous prime is 10661714291. The next prime is 10661714353. The reversal of 10661714293 is 39241716601.

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 an emirpimes, since its reverse is a distinct semiprime: 39241716601 = 99971392531.

It is a cyclic number.

It is not a de Polignac number, because 10661714293 - 21 = 10661714291 is a prime.

It is a super-2 number, since 2×106617142932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661714291) 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, 1327713 + ... + 1335718.

It is an arithmetic number, because the mean of its divisors is an integer number (2666095432).

Almost surely, 210661714293 is an apocalyptic number.

It is an amenable number.

10661714293 is a deficient number, since it is larger than the sum of its proper divisors (2667435).

10661714293 is an equidigital number, since it uses as much as digits as its factorization.

10661714293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667434.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 10661714293 in words is "ten billion, six hundred sixty-one million, seven hundred fourteen thousand, two hundred ninety-three".

Divisors: 1 4003 2663431 10661714293