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40243304115 = 38571731013
BaseRepresentation
bin100101011110101100…
…000001011010110011
310211212121212200000000
4211132230001122303
51124404241212430
630253145401043
72623160304150
oct453654013263
9124777780000
1040243304115
1116081329023
127971499183
133a445bc2b1
141d3aa23227
1510a8046e60
hex95eb016b3

40243304115 has 144 divisors (see below), whose sum is σ = 83342720448. Its totient is φ = 18272542464.

The previous prime is 40243304107. The next prime is 40243304149. The reversal of 40243304115 is 51140334204.

It is a happy number.

40243304115 is a `hidden beast` number, since 4 + 0 + 243 + 3 + 0 + 411 + 5 = 666.

40243304115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40243304115 - 23 = 40243304107 is a prime.

It is a super-3 number, since 3×402433041153 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 39726349 + ... + 39727361.

It is an arithmetic number, because the mean of its divisors is an integer number (578768892).

Almost surely, 240243304115 is an apocalyptic number.

40243304115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40243304115 is an abundant number, since it is smaller than the sum of its proper divisors (43099416333).

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

40243304115 is an equidigital number, since it uses as much as digits as its factorization.

40243304115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 40243304115 its reverse (51140334204), we get a palindrome (91383638319).

The spelling of 40243304115 in words is "forty billion, two hundred forty-three million, three hundred four thousand, one hundred fifteen".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 173 189 243 315 405 519 567 729 865 945 1013 1211 1215 1557 1701 2187 2595 2835 3039 3633 3645 4671 5065 5103 6055 6561 7091 7785 8505 9117 10899 10935 14013 15195 15309 18165 21273 23355 25515 27351 32697 32805 35455 42039 45585 45927 54495 63819 70065 76545 82053 98091 106365 126117 136755 163485 175249 191457 210195 229635 246159 294273 319095 378351 410265 490455 525747 574371 630585 738477 876245 882819 957285 1135053 1226743 1230795 1471365 1577241 1723113 1891755 2215431 2628735 2648457 2871855 3680229 3692385 4414095 4731723 5169339 5675265 6133715 6646293 7886205 7945371 8615565 11040687 11077155 13242285 14195169 15508017 18401145 23658615 25846695 33122061 33231465 39726855 42585507 46524051 55203435 70975845 77540085 99366183 127756521 165610305 212927535 232620255 298098549 383269563 496830915 638782605 894295647 1149808689 1490492745 1916347815 2682886941 4471478235 5749043445 8048660823 13414434705 40243304115