Search a number
-
+
16010648986 = 28005324493
BaseRepresentation
bin11101110100100111…
…10001110110011010
31112022210212020110111
432322103301312122
5230242211231421
611204415434534
71104521161633
oct167223616632
945283766414
1016010648986
116876659612
123129b25a4a
1316820442c7
14abc54488a
1563a8eaee1
hex3ba4f1d9a

16010648986 has 4 divisors (see below), whose sum is σ = 24015973482. Its totient is φ = 8005324492.

The previous prime is 16010648981. The next prime is 16010649013. The reversal of 16010648986 is 68984601061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68984601061 = 119357824477.

It can be written as a sum of positive squares in only one way, i.e., 16010093961 + 555025 = 126531^2 + 745^2 .

It is not an unprimeable number, because it can be changed into a prime (16010648981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002662245 + ... + 4002662248.

Almost surely, 216010648986 is an apocalyptic number.

16010648986 is a deficient number, since it is larger than the sum of its proper divisors (8005324496).

16010648986 is an equidigital number, since it uses as much as digits as its factorization.

16010648986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005324495.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 16010648986 in words is "sixteen billion, ten million, six hundred forty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 8005324493 16010648986