Search a number
-
+
3137872673 = 13821294001
BaseRepresentation
bin1011101100001000…
…0010001100100001
322002200110110002102
42323002002030201
522411243411143
61235211300145
7140521322555
oct27302021441
98080413072
103137872673
11137027a201
12736a4a655
133b01284c0
1421aa55865
1513572a0b8
hexbb082321

3137872673 has 8 divisors (see below), whose sum is σ = 3383375016. Its totient is φ = 2892960000.

The previous prime is 3137872601. The next prime is 3137872679. The reversal of 3137872673 is 3762787313.

It can be written as a sum of positive squares in 4 ways, for example, as 435640384 + 2702232289 = 20872^2 + 51983^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3137872673 - 28 = 3137872417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3137872679) 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, 136328 + ... + 157673.

It is an arithmetic number, because the mean of its divisors is an integer number (422921877).

Almost surely, 23137872673 is an apocalyptic number.

It is an amenable number.

3137872673 is a deficient number, since it is larger than the sum of its proper divisors (245502343).

3137872673 is a wasteful number, since it uses less digits than its factorization.

3137872673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294835.

The product of its digits is 889056, while the sum is 47.

The square root of 3137872673 is about 56016.7177992428. The cubic root of 3137872673 is about 1464.0135816036.

The spelling of 3137872673 in words is "three billion, one hundred thirty-seven million, eight hundred seventy-two thousand, six hundred seventy-three".

Divisors: 1 13 821 10673 294001 3822013 241374821 3137872673