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142313145431512 = 23112758815861929
BaseRepresentation
bin100000010110111011011100…
…011110101111010111011000
3200122220000002210110112022011
4200112323130132233113120
5122123124310212302022
61222401431221235304
741655533261035636
oct4026733436572730
9618800083415264
10142313145431512
1141388736555610
1213b652a8562b34
1361540c23349c3
14271ddc8aa4356
15116bd58c55977
hex816edc7af5d8

142313145431512 has 32 divisors (see below), whose sum is σ = 291096175006800. Its totient is φ = 64687547865600.

The previous prime is 142313145431441. The next prime is 142313145431531. The reversal of 142313145431512 is 215134541313241.

It is a super-2 number, since 2×1423131454315122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21346564 + ... + 27208492.

Almost surely, 2142313145431512 is an apocalyptic number.

It is an amenable number.

142313145431512 is an abundant number, since it is smaller than the sum of its proper divisors (148783029575288).

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

142313145431512 is a wasteful number, since it uses less digits than its factorization.

142313145431512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137827 (or 6137823 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

Adding to 142313145431512 its reverse (215134541313241), we get a palindrome (357447686744753).

The spelling of 142313145431512 in words is "one hundred forty-two trillion, three hundred thirteen billion, one hundred forty-five million, four hundred thirty-one thousand, five hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 275881 551762 1103524 2207048 3034691 5861929 6069382 11723858 12138764 23447716 24277528 46895432 64481219 128962438 257924876 515849752 1617194834449 3234389668898 6468779337796 12937558675592 17789143178939 35578286357878 71156572715756 142313145431512