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143434134040 = 23530971115781
BaseRepresentation
bin1000010110010101010…
…1110011001000011000
3111201020011121222000211
42011211111303020120
54322223114242130
6145520455140504
713235301010621
oct2054525631030
9451204558024
10143434134040
115591491394a
122396b974734
13106ab1a9682
146d29762a48
153ae746ca2a
hex2165573218

143434134040 has 32 divisors (see below), whose sum is σ = 322740009360. Its totient is φ = 57371305600.

The previous prime is 143434134007. The next prime is 143434134049. The reversal of 143434134040 is 40431434341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 143434133993 and 143434134011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143434134049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180950 + ... + 1296730.

Almost surely, 2143434134040 is an apocalyptic number.

143434134040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143434134040 is an abundant number, since it is smaller than the sum of its proper divisors (179305875320).

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

143434134040 is a wasteful number, since it uses less digits than its factorization.

143434134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146763 (or 146759 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 143434134040 its reverse (40431434341), we get a palindrome (183865568381).

The spelling of 143434134040 in words is "one hundred forty-three billion, four hundred thirty-four million, one hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 30971 61942 115781 123884 154855 231562 247768 309710 463124 578905 619420 926248 1157810 1238840 2315620 4631240 3585853351 7171706702 14343413404 17929266755 28686826808 35858533510 71717067020 143434134040