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76806010505293 = 125396125369687
BaseRepresentation
bin10001011101101011001010…
…111110010000100001001101
3101001221120201221010100220121
4101131223022332100201031
540031342202142132133
6431204105532544541
722115023353300256
oct2135531276204115
9331846657110817
1076806010505293
1122522278668913
128745629622151
1333b1a11319774
1414d7605d61b2d
158d2d7978102d
hex45dacaf9084d

76806010505293 has 4 divisors (see below), whose sum is σ = 76812135887520. Its totient is φ = 76799885123068.

The previous prime is 76806010505291. The next prime is 76806010505297. The reversal of 76806010505293 is 39250501060867.

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.

It is a cyclic number.

It is not a de Polignac number, because 76806010505293 - 21 = 76806010505291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76806010505293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76806010505291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062672305 + ... + 3062697382.

It is an arithmetic number, because the mean of its divisors is an integer number (19203033971880).

Almost surely, 276806010505293 is an apocalyptic number.

It is an amenable number.

76806010505293 is a deficient number, since it is larger than the sum of its proper divisors (6125382227).

76806010505293 is a wasteful number, since it uses less digits than its factorization.

76806010505293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125382226.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 76806010505293 in words is "seventy-six trillion, eight hundred six billion, ten million, five hundred five thousand, two hundred ninety-three".

Divisors: 1 12539 6125369687 76806010505293