Search a number
-
+
86646310944 = 2531735217143
BaseRepresentation
bin101000010110010000…
…1011100100000100000
322021122112022122121120
41100230201130200200
52404422423422234
6103445455052240
76155114330304
oct1205441344040
9267575278546
1086646310944
1133823646946
1214961811080
13822b09269b
14429d747d04
1523c1c21049
hex142c85c820

86646310944 has 48 divisors (see below), whose sum is σ = 228761330112. Its totient is φ = 28715149568.

The previous prime is 86646310943. The next prime is 86646310963. The reversal of 86646310944 is 44901364668.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×866463109442 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86646310943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2591964 + ... + 2625179.

It is an arithmetic number, because the mean of its divisors is an integer number (4765861044).

Almost surely, 286646310944 is an apocalyptic number.

It is an amenable number.

86646310944 is an abundant number, since it is smaller than the sum of its proper divisors (142115019168).

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

86646310944 is a wasteful number, since it uses less digits than its factorization.

86646310944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217329 (or 5217321 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 86646310944 in words is "eighty-six billion, six hundred forty-six million, three hundred ten thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 173 346 519 692 1038 1384 2076 2768 4152 5536 8304 16608 5217143 10434286 15651429 20868572 31302858 41737144 62605716 83474288 125211432 166948576 250422864 500845728 902565739 1805131478 2707697217 3610262956 5415394434 7220525912 10830788868 14441051824 21661577736 28882103648 43323155472 86646310944