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76676103821 = 166745996463
BaseRepresentation
bin100011101101001000…
…0000111111010001101
321022220200121122122002
41013122100013322031
52224013040310241
655120255002045
75353051062122
oct1073220077215
9238820548562
1076676103821
112a577730749
1212a3a809325
1372cc606b45
1439d553c749
151edb79a89b
hex11da407e8d

76676103821 has 4 divisors (see below), whose sum is σ = 76722101952. Its totient is φ = 76630105692.

The previous prime is 76676103709. The next prime is 76676103859. The reversal of 76676103821 is 12830167667.

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: 12830167667 = 123110422557.

It is a cyclic number.

It is not a de Polignac number, because 76676103821 - 214 = 76676087437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76676103871) 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, 22996565 + ... + 22999898.

It is an arithmetic number, because the mean of its divisors is an integer number (19180525488).

Almost surely, 276676103821 is an apocalyptic number.

It is an amenable number.

76676103821 is a deficient number, since it is larger than the sum of its proper divisors (45998131).

76676103821 is a wasteful number, since it uses less digits than its factorization.

76676103821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45998130.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 76676103821 in words is "seventy-six billion, six hundred seventy-six million, one hundred three thousand, eight hundred twenty-one".

Divisors: 1 1667 45996463 76676103821