Search a number
-
+
143938442942 = 2735928638767
BaseRepresentation
bin1000011000001101100…
…1100101011010111110
3111202112022120111210022
42012003121211122332
54324241220133232
6150042512212142
713253633402150
oct2060331453276
9452468514708
10143938442942
1156053553668
1223a9083a052
131075b80cac8
146d7671aad0
153b26887812
hex21836656be

143938442942 has 16 divisors (see below), whose sum is σ = 247438955520. Its totient is φ = 61516069368.

The previous prime is 143938442929. The next prime is 143938442957. The reversal of 143938442942 is 249244839341.

143938442942 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14314358 + ... + 14324409.

It is an arithmetic number, because the mean of its divisors is an integer number (15464934720).

Almost surely, 2143938442942 is an apocalyptic number.

143938442942 is a deficient number, since it is larger than the sum of its proper divisors (103500512578).

143938442942 is a wasteful number, since it uses less digits than its factorization.

143938442942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28639135.

The product of its digits is 5971968, while the sum is 53.

The spelling of 143938442942 in words is "one hundred forty-three billion, nine hundred thirty-eight million, four hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 7 14 359 718 2513 5026 28638767 57277534 200471369 400942738 10281317353 20562634706 71969221471 143938442942