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16308069390 = 234541491059
BaseRepresentation
bin11110011000000100…
…10110010000001110
31120002112111202120000
433030002112100032
5231344331210030
611254122305130
71115062205544
oct171402262016
946075452500
1016308069390
116a095309a8
1231b16581a6
1316cb84ac02
14b09c45d94
15656a9a860
hex3cc09640e

16308069390 has 80 divisors (see below), whose sum is σ = 44920204560. Its totient is φ = 4242741120.

The previous prime is 16308069359. The next prime is 16308069397. The reversal of 16308069390 is 9396080361.

16308069390 is a `hidden beast` number, since 1 + 630 + 8 + 0 + 6 + 9 + 3 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16308069397) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 212320 + ... + 278739.

It is an arithmetic number, because the mean of its divisors is an integer number (561502557).

Almost surely, 216308069390 is an apocalyptic number.

16308069390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16308069390 is an abundant number, since it is smaller than the sum of its proper divisors (28612135170).

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

16308069390 is a wasteful number, since it uses less digits than its factorization.

16308069390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491119 (or 491110 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 16308069390 in words is "sixteen billion, three hundred eight million, sixty-nine thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 41 45 54 81 82 90 123 135 162 205 246 270 369 405 410 615 738 810 1107 1230 1845 2214 3321 3690 5535 6642 11070 16605 33210 491059 982118 1473177 2455295 2946354 4419531 4910590 7365885 8839062 13258593 14731770 20133419 22097655 26517186 39775779 40266838 44195310 60400257 66292965 79551558 100667095 120800514 132585930 181200771 198878895 201334190 302001285 362401542 397757790 543602313 604002570 906003855 1087204626 1630806939 1812007710 2718011565 3261613878 5436023130 8154034695 16308069390