Search a number
-
+
43142021142 = 2311653666987
BaseRepresentation
bin101000001011011101…
…110000000000010110
311010100122022202012220
4220023131300000112
51201323324134032
631452535123210
73055046062203
oct501335600026
9133318282186
1043142021142
1117329601030
128440213506
1340b700107c
1421339c2caa
1511c778112c
hexa0b770016

43142021142 has 16 divisors (see below), whose sum is σ = 94128046272. Its totient is φ = 13073339720.

The previous prime is 43142021057. The next prime is 43142021159. The reversal of 43142021142 is 24112024134.

It is a super-2 number, since 2×431420211422 (a number of 22 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, 326833428 + ... + 326833559.

It is an arithmetic number, because the mean of its divisors is an integer number (5883002892).

Almost surely, 243142021142 is an apocalyptic number.

43142021142 is an abundant number, since it is smaller than the sum of its proper divisors (50986025130).

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

43142021142 is a wasteful number, since it uses less digits than its factorization.

43142021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653667003.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 43142021142 its reverse (24112024134), we get a palindrome (67254045276).

The spelling of 43142021142 in words is "forty-three billion, one hundred forty-two million, twenty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 653666987 1307333974 1961000961 3922001922 7190336857 14380673714 21571010571 43142021142