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18286672316 = 2211415606189
BaseRepresentation
bin10001000001111110…
…000111100110111100
31202012102121012111212
4101001332013212330
5244422342003231
612222322503552
71215106102313
oct210176074674
952172535455
1018286672316
117834393630
123664204bb8
131955742c83
14c5693127a
1572063342b
hex441f879bc

18286672316 has 12 divisors (see below), whose sum is σ = 34910919960. Its totient is φ = 8312123760.

The previous prime is 18286672301. The next prime is 18286672331. The reversal of 18286672316 is 61327668281.

It is an interprime number because it is at equal distance from previous prime (18286672301) and next prime (18286672331).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207803051 + ... + 207803138.

It is an arithmetic number, because the mean of its divisors is an integer number (2909243330).

Almost surely, 218286672316 is an apocalyptic number.

It is an amenable number.

18286672316 is a deficient number, since it is larger than the sum of its proper divisors (16624247644).

18286672316 is a wasteful number, since it uses less digits than its factorization.

18286672316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415606204 (or 415606202 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 18286672316 in words is "eighteen billion, two hundred eighty-six million, six hundred seventy-two thousand, three hundred sixteen".

Divisors: 1 2 4 11 22 44 415606189 831212378 1662424756 4571668079 9143336158 18286672316