Search a number
-
+
142303241430 = 23257225878161
BaseRepresentation
bin1000010010000111101…
…1110010010011010110
3111121022100122200000100
42010201323302103112
54312414112211210
6145212340154530
713165256410620
oct2044173622326
9447270580010
10142303241430
1155394519559
12236b5098a46
131055ab0064c
146c5d4a1c10
153a7d0335c0
hex2121ef24d6

142303241430 has 48 divisors (see below), whose sum is σ = 422843919264. Its totient is φ = 32526455040.

The previous prime is 142303241393. The next prime is 142303241449. The reversal of 142303241430 is 34142303241.

142303241430 is a `hidden beast` number, since 14 + 230 + 3 + 2 + 414 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142303241394 and 142303241403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112938451 + ... + 112939710.

It is an arithmetic number, because the mean of its divisors is an integer number (8809248318).

Almost surely, 2142303241430 is an apocalyptic number.

142303241430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142303241430 is an abundant number, since it is smaller than the sum of its proper divisors (280540677834).

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

142303241430 is a wasteful number, since it uses less digits than its factorization.

142303241430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225878181 (or 225878178 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 142303241430 its reverse (34142303241), we get a palindrome (176445544671).

The spelling of 142303241430 in words is "one hundred forty-two billion, three hundred three million, two hundred forty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 225878161 451756322 677634483 1129390805 1355268966 1581147127 2032903449 2258781610 3162294254 3388172415 4065806898 4743441381 6776344830 7905735635 9486882762 10164517245 14230324143 15811471270 20329034490 23717206905 28460648286 47434413810 71151620715 142303241430