Search a number
-
+
13877869846657 = 67433478365787
BaseRepresentation
bin1100100111110011000110…
…0000001010000010000001
31211010201012121111100012211
43021330301200022002001
53304333334140043112
645303223322022121
72631433360233415
oct311746140120201
954121177440184
1013877869846657
114470631807863
12168175a647941
137988a665201b
1435d99a26ad45
15190edde260a7
hexc9f3180a081

13877869846657 has 8 divisors (see below), whose sum is σ = 14117531135456. Its totient is φ = 13639165290432.

The previous prime is 13877869846627. The next prime is 13877869846663. The reversal of 13877869846657 is 75664896877831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13877869846657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13877869846627) 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, 239153883 + ... + 239211904.

It is an arithmetic number, because the mean of its divisors is an integer number (1764691391932).

Almost surely, 213877869846657 is an apocalyptic number.

It is an amenable number.

13877869846657 is a deficient number, since it is larger than the sum of its proper divisors (239661288799).

13877869846657 is an equidigital number, since it uses as much as digits as its factorization.

13877869846657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478366287.

The product of its digits is 20483850240, while the sum is 85.

The spelling of 13877869846657 in words is "thirteen trillion, eight hundred seventy-seven billion, eight hundred sixty-nine million, eight hundred forty-six thousand, six hundred fifty-seven".

Divisors: 1 67 433 29011 478365787 32050507729 207132385771 13877869846657