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143431939508 = 221113416115979
BaseRepresentation
bin1000010110010100110…
…1011011010110110100
3111201020000111110200212
42011211031123112310
54322222034031013
6145520340124552
713235243240564
oct2054515332664
9451200443625
10143431939508
1155913655090
122396b096758
13106aa8bb830
146d29350da4
153ae71876a8
hex216535b5b4

143431939508 has 48 divisors (see below), whose sum is σ = 302080484160. Its totient is φ = 58713388800.

The previous prime is 143431939501. The next prime is 143431939621. The reversal of 143431939508 is 805939134341.

143431939508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143431939501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034538 + ... + 3081441.

It is an arithmetic number, because the mean of its divisors is an integer number (6293343420).

Almost surely, 2143431939508 is an apocalyptic number.

It is an amenable number.

143431939508 is an abundant number, since it is smaller than the sum of its proper divisors (158648544652).

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

143431939508 is a wasteful number, since it uses less digits than its factorization.

143431939508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116048 (or 6116046 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 143431939508 in words is "one hundred forty-three billion, four hundred thirty-one million, nine hundred thirty-nine thousand, five hundred eight".

Divisors: 1 2 4 11 13 22 26 41 44 52 82 143 164 286 451 533 572 902 1066 1804 2132 5863 11726 23452 6115979 12231958 24463916 67275769 79507727 134551538 159015454 250755139 269103076 318030908 501510278 874584997 1003020556 1749169994 2758306529 3259816807 3498339988 5516613058 6519633614 11033226116 13039267228 35857984877 71715969754 143431939508