Search a number
-
+
814668141468 = 22367889011789
BaseRepresentation
bin10111101101011100000…
…00010101001110011100
32212212210121211112100110
423312232000111032130
5101321420021011333
61422130421330020
7112600143642606
oct13665600251634
92785717745313
10814668141468
11294553a22565
12111a7a866910
135ba90b21a1c
142b604482176
15162d0e03063
hexbdae01539c

814668141468 has 12 divisors (see below), whose sum is σ = 1900892330120. Its totient is φ = 271556047152.

The previous prime is 814668141467. The next prime is 814668141487. The reversal of 814668141468 is 864141866418.

814668141468 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×8146681414682 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814668141467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33944505883 + ... + 33944505906.

Almost surely, 2814668141468 is an apocalyptic number.

It is an amenable number.

814668141468 is an abundant number, since it is smaller than the sum of its proper divisors (1086224188652).

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

814668141468 is a wasteful number, since it uses less digits than its factorization.

814668141468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67889011796 (or 67889011794 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 57.

The spelling of 814668141468 in words is "eight hundred fourteen billion, six hundred sixty-eight million, one hundred forty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 67889011789 135778023578 203667035367 271556047156 407334070734 814668141468