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76406217641 = 1313942283463
BaseRepresentation
bin100011100101000101…
…0100101101110101001
321022012212210000101122
41013022022211232221
52222434442431031
655033414225025
75343263064005
oct1071212455651
9238185700348
1076406217641
112a449355216
1212984355175
137288720a90
1439ab767705
151ec2c3947b
hex11ca2a5ba9

76406217641 has 8 divisors (see below), whose sum is σ = 82875589440. Its totient is φ = 70021413072.

The previous prime is 76406217599. The next prime is 76406217661. The reversal of 76406217641 is 14671260467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76406217641 - 26 = 76406217577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76406217592 and 76406217601.

It is not an unprimeable number, because it can be changed into a prime (76406217661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21139925 + ... + 21143538.

It is an arithmetic number, because the mean of its divisors is an integer number (10359448680).

Almost surely, 276406217641 is an apocalyptic number.

It is an amenable number.

76406217641 is a deficient number, since it is larger than the sum of its proper divisors (6469371799).

76406217641 is a wasteful number, since it uses less digits than its factorization.

76406217641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42283615.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 76406217641 in words is "seventy-six billion, four hundred six million, two hundred seventeen thousand, six hundred forty-one".

Divisors: 1 13 139 1807 42283463 549685019 5877401357 76406217641