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47172341377 = 76738905911
BaseRepresentation
bin101011111011101100…
…001100111010000001
311111202112002020012201
4223323230030322001
51233102104411002
633400510553201
73256655200030
oct537354147201
9144675066181
1047172341377
11190076142a7
129185b08801
1345a9caa445
1423d6d8a717
1513614e5087
hexafbb0ce81

47172341377 has 4 divisors (see below), whose sum is σ = 53911247296. Its totient is φ = 40433435460.

The previous prime is 47172341287. The next prime is 47172341383. The reversal of 47172341377 is 77314327174.

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 47172341377 - 215 = 47172308609 is a prime.

It is a super-2 number, since 2×471723413772 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47172341077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369452949 + ... + 3369452962.

It is an arithmetic number, because the mean of its divisors is an integer number (13477811824).

Almost surely, 247172341377 is an apocalyptic number.

It is an amenable number.

47172341377 is a deficient number, since it is larger than the sum of its proper divisors (6738905919).

47172341377 is an equidigital number, since it uses as much as digits as its factorization.

47172341377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738905918.

The product of its digits is 691488, while the sum is 46.

The spelling of 47172341377 in words is "forty-seven billion, one hundred seventy-two million, three hundred forty-one thousand, three hundred seventy-seven".

Divisors: 1 7 6738905911 47172341377