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76700748601 = 2769492
BaseRepresentation
bin100011101101110111…
…0001000101100111001
321022222101222201220201
41013123232020230321
52224040342423401
655122535122201
75353500414601
oct1073356105471
9238871881821
1076700748601
112a58a633734
1212a46b13361
137304755459
1439d8915c01
151edda17b01
hex11dbb88b39

76700748601 has 3 divisors (see below), whose sum is σ = 76701025551. Its totient is φ = 76700471652.

The previous prime is 76700748583. The next prime is 76700748617. The reversal of 76700748601 is 10684700767.

The square root of 76700748601 is 276949.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10684700767 = 13821900059.

It can be written as a sum of positive squares in only one way, i.e., 1020738601 + 75680010000 = 31949^2 + 275100^2 .

It is not a de Polignac number, because 76700748601 - 225 = 76667194169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16700748601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 138475 + ... + 415423.

It is an arithmetic number, because the mean of its divisors is an integer number (25567008517).

Almost surely, 276700748601 is an apocalyptic number.

76700748601 is the 276949-th square number.

76700748601 is the 138475-th centered octagonal number.

It is an amenable number.

76700748601 is a deficient number, since it is larger than the sum of its proper divisors (276950).

76700748601 is an frugal number, since it uses more digits than its factorization.

76700748601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553898 (or 276949 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The spelling of 76700748601 in words is "seventy-six billion, seven hundred million, seven hundred forty-eight thousand, six hundred one".

Divisors: 1 276949 76700748601