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3880217973 = 31293405991
BaseRepresentation
bin1110011101000111…
…0110110101110101
3101000102022111101210
43213101312311311
530421313433343
61441010312033
7165104210562
oct34721666565
911012274353
103880217973
111711311215
12903588619
1349ab72a88
1428b493869
1517a9b4333
hexe7476d75

3880217973 has 4 divisors (see below), whose sum is σ = 5173623968. Its totient is φ = 2586811980.

The previous prime is 3880217941. The next prime is 3880217993. The reversal of 3880217973 is 3797120883.

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: 3797120883 = 31265706961.

It is not a de Polignac number, because 3880217973 - 25 = 3880217941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880217903) 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, 646702993 + ... + 646702998.

It is an arithmetic number, because the mean of its divisors is an integer number (1293405992).

Almost surely, 23880217973 is an apocalyptic number.

It is an amenable number.

3880217973 is a deficient number, since it is larger than the sum of its proper divisors (1293405995).

3880217973 is a wasteful number, since it uses less digits than its factorization.

3880217973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293405994.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 3880217973 is about 62291.3956578274. The cubic root of 3880217973 is about 1571.3950267294.

The spelling of 3880217973 in words is "three billion, eight hundred eighty million, two hundred seventeen thousand, nine hundred seventy-three".

Divisors: 1 3 1293405991 3880217973