Search a number
-
+
105994764864 = 26356815507
BaseRepresentation
bin110001010110111000…
…1111100001001000000
3101010120221211221200000
41202231301330021000
53214034124433424
6120405431400000
710441435431042
oct1425561741100
9333527757600
10105994764864
1140a5231072a
1218661523000
139cc27946a1
1451b72a9a92
152b5568b3c9
hex18adc7c240

105994764864 has 84 divisors (see below), whose sum is σ = 315067303824. Its totient is φ = 35331583104.

The previous prime is 105994764859. The next prime is 105994764877. The reversal of 105994764864 is 468467499501.

105994764864 is a `hidden beast` number, since 10 + 5 + 99 + 476 + 4 + 8 + 64 = 666.

It is a super-2 number, since 2×1059947648642 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3392202 + ... + 3423305.

It is an arithmetic number, because the mean of its divisors is an integer number (3750801236).

Almost surely, 2105994764864 is an apocalyptic number.

It is an amenable number.

105994764864 is an abundant number, since it is smaller than the sum of its proper divisors (209072538960).

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

105994764864 is an frugal number, since it uses more digits than its factorization.

105994764864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815534 (or 6815512 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 105994764864 in words is "one hundred five billion, nine hundred ninety-four million, seven hundred sixty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 243 288 324 432 486 576 648 864 972 1296 1728 1944 2592 3888 5184 7776 15552 6815507 13631014 20446521 27262028 40893042 54524056 61339563 81786084 109048112 122679126 163572168 184018689 218096224 245358252 327144336 368037378 436192448 490716504 552056067 654288672 736074756 981433008 1104112134 1308577344 1472149512 1656168201 1962866016 2208224268 2944299024 3312336402 3925732032 4416448536 5888598048 6624672804 8832897072 11777196096 13249345608 17665794144 26498691216 35331588288 52997382432 105994764864