Search a number
-
+
21614361160 = 2357181426487
BaseRepresentation
bin10100001000010100…
…001111101001001000
32001210100020022102211
4110020110033221020
5323231234024120
613532434434504
71363424016130
oct241024175110
961710208384
1021614361160
11919181a4a7
124232732a34
132065c9b322
141090877ac0
1586785525a
hex50850fa48

21614361160 has 64 divisors (see below), whose sum is σ = 55886987520. Its totient is φ = 7369678080.

The previous prime is 21614361157. The next prime is 21614361163. The reversal of 21614361160 is 6116341612.

It is an interprime number because it is at equal distance from previous prime (21614361157) and next prime (21614361163).

It is not an unprimeable number, because it can be changed into a prime (21614361163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162564 + ... + 263923.

It is an arithmetic number, because the mean of its divisors is an integer number (873234180).

Almost surely, 221614361160 is an apocalyptic number.

21614361160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21614361160 is an abundant number, since it is smaller than the sum of its proper divisors (34272626360).

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

21614361160 is a wasteful number, since it uses less digits than its factorization.

21614361160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426686 (or 426682 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 21614361160 in words is "twenty-one billion, six hundred fourteen million, three hundred sixty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 181 280 362 724 905 1267 1448 1810 2534 3620 5068 6335 7240 10136 12670 25340 50680 426487 852974 1705948 2132435 2985409 3411896 4264870 5970818 8529740 11941636 14927045 17059480 23883272 29854090 59708180 77194147 119416360 154388294 308776588 385970735 540359029 617553176 771941470 1080718058 1543882940 2161436116 2701795145 3087765880 4322872232 5403590290 10807180580 21614361160