Search a number
-
+
142505244132430 = 25195572731345889
BaseRepresentation
bin100000011001101110010110…
…011101001000010001001110
3200200120100221111001122002211
4200121232112131020101032
5122134301214444214210
61223030001055141034
742005443540044364
oct4031562635102116
9620510844048084
10142505244132430
1141452153232873
1213b96579b1477a
1361692576bb17a
14272940d651634
151171d4d6c938a
hex819b9674844e

142505244132430 has 32 divisors (see below), whose sum is σ = 270010621389600. Its totient is φ = 54001850222592.

The previous prime is 142505244132421. The next prime is 142505244132439. The reversal of 142505244132430 is 34231442505241.

It is an interprime number because it is at equal distance from previous prime (142505244132421) and next prime (142505244132439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142505244132439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105208926 + ... + 106554814.

It is an arithmetic number, because the mean of its divisors is an integer number (8437831918425).

Almost surely, 2142505244132430 is an apocalyptic number.

142505244132430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142505244132430 is a deficient number, since it is larger than the sum of its proper divisors (127505377257170).

142505244132430 is a wasteful number, since it uses less digits than its factorization.

142505244132430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903188.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 142505244132430 its reverse (34231442505241), we get a palindrome (176736686637671).

The spelling of 142505244132430 in words is "one hundred forty-two trillion, five hundred five billion, two hundred forty-four million, one hundred thirty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 557273 1114546 1345889 2691778 2786365 5572730 6729445 10588187 13458890 21176374 25571891 51143782 52940935 105881870 127859455 255718910 750027600697 1500055201394 3750138003485 7500276006970 14250524413243 28501048826486 71252622066215 142505244132430