Search a number
-
+
216153015799 = 7314127241361
BaseRepresentation
bin1100100101001110111…
…0010100010111110111
3202122221002000220111211
43021103232110113313
512020140133001144
6243144353142251
721421321214350
oct3112356242767
9678832026454
10216153015799
1183740819036
1235a8525a987
13174c99bbba6
14a6674c4d27
1559515e3034
hex3253b945f7

216153015799 has 16 divisors (see below), whose sum is σ = 255063638016. Its totient is φ = 179253244800.

The previous prime is 216153015781. The next prime is 216153015821. The reversal of 216153015799 is 997510351612.

It is a happy number.

It is not a de Polignac number, because 216153015799 - 221 = 216150918647 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 (216153015739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774879 + ... + 1016239.

It is an arithmetic number, because the mean of its divisors is an integer number (15941477376).

Almost surely, 2216153015799 is an apocalyptic number.

216153015799 is a deficient number, since it is larger than the sum of its proper divisors (38910622217).

216153015799 is a wasteful number, since it uses less digits than its factorization.

216153015799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245526.

The product of its (nonzero) digits is 510300, while the sum is 49.

The spelling of 216153015799 in words is "two hundred sixteen billion, one hundred fifty-three million, fifteen thousand, seven hundred ninety-nine".

Divisors: 1 7 31 217 4127 28889 127937 241361 895559 1689527 7482191 52375337 996096847 6972677929 30879002257 216153015799