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140424031545231 = 37311313541465011
BaseRepresentation
bin11111111011011100000100…
…100001001010011110001111
3200102012101222012101220012210
4133323130010201022132033
5121401201404033421411
61214353524242401503
741402205256663140
oct3773340441123617
9612171865356183
10140424031545231
114081a551a62225
12138bb150060293
136047c10a41495
1426967b8d7bac7
151137b40a57ca6
hex7fb70484a78f

140424031545231 has 64 divisors (see below), whose sum is σ = 222631496220672. Its totient is φ = 77039136720000.

The previous prime is 140424031545199. The next prime is 140424031545233. The reversal of 140424031545231 is 132545130424041.

It is not a de Polignac number, because 140424031545231 - 25 = 140424031545199 is a prime.

It is a super-3 number, since 3×1404240315452313 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 140424031545231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424031545233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301747516 + ... + 302212526.

It is an arithmetic number, because the mean of its divisors is an integer number (3478617128448).

Almost surely, 2140424031545231 is an apocalyptic number.

140424031545231 is a deficient number, since it is larger than the sum of its proper divisors (82207464675441).

140424031545231 is a wasteful number, since it uses less digits than its factorization.

140424031545231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468724.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 140424031545231 its reverse (132545130424041), we get a palindrome (272969161969272).

The spelling of 140424031545231 in words is "one hundred forty trillion, four hundred twenty-four billion, thirty-one million, five hundred forty-five thousand, two hundred thirty-one".

Divisors: 1 3 7 21 31 93 131 217 393 651 917 2751 3541 4061 10623 12183 24787 28427 74361 85281 109771 329313 463871 465011 768397 1391613 1395033 2305191 3247097 3255077 9741291 9765231 14380001 14415341 43140003 43246023 60916441 100660007 100907387 182749323 301980021 302722161 426415087 1279245261 1646603951 1888409671 4939811853 5665229013 11526227657 13218867697 34578682971 39656603091 51044722481 153134167443 215705117581 357313057367 647115352743 1071939172101 1509935823067 4529807469201 6686858645011 20060575935033 46808010515077 140424031545231