Search a number
-
+
16162800012 = 2232448966667
BaseRepresentation
bin11110000110110000…
…01100000110001100
31112201102011022102200
433003120030012030
5231100134100022
611231452521500
71111346350632
oct170330140614
945642138380
1016162800012
11694452a967
123170a80290
1316a77172b8
14ad482d352
15648e52bac
hex3c360c18c

16162800012 has 18 divisors (see below), whose sum is σ = 40855966788. Its totient is φ = 5387599992.

The previous prime is 16162800011. The next prime is 16162800037. The reversal of 16162800012 is 21000826161.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×161628000122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16162800011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224483298 + ... + 224483369.

Almost surely, 216162800012 is an apocalyptic number.

16162800012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16162800012 is an abundant number, since it is smaller than the sum of its proper divisors (24693166776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16162800012 is a wasteful number, since it uses less digits than its factorization.

16162800012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448966677 (or 448966672 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 16162800012 in words is "sixteen billion, one hundred sixty-two million, eight hundred thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 448966667 897933334 1346900001 1795866668 2693800002 4040700003 5387600004 8081400006 16162800012