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143112440424 = 23335291689719
BaseRepresentation
bin1000010101001000101…
…0101000101001101000
3111200101202022020100110
42011102022220221220
54321043241043144
6145424524134320
713224313446432
oct2052212505150
9450352266313
10143112440424
115576a272758
12238a00973a0
1310659654615
146cd8b43652
153ac90c60b9
hex21522a8a68

143112440424 has 32 divisors (see below), whose sum is σ = 357882696000. Its totient is φ = 47690600832.

The previous prime is 143112440417. The next prime is 143112440477. The reversal of 143112440424 is 424044211341.

It is a happy number.

It is a super-3 number, since 3×1431124404243 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 143112440391 and 143112440400.

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, 760164 + ... + 929555.

It is an arithmetic number, because the mean of its divisors is an integer number (11183834250).

Almost surely, 2143112440424 is an apocalyptic number.

It is an amenable number.

143112440424 is an abundant number, since it is smaller than the sum of its proper divisors (214770255576).

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

143112440424 is a wasteful number, since it uses less digits than its factorization.

143112440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693257 (or 1693253 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 143112440424 its reverse (424044211341), we get a palindrome (567156651765).

The spelling of 143112440424 in words is "one hundred forty-three billion, one hundred twelve million, four hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 3529 7058 10587 14116 21174 28232 42348 84696 1689719 3379438 5069157 6758876 10138314 13517752 20276628 40553256 5963018351 11926036702 17889055053 23852073404 35778110106 47704146808 71556220212 143112440424