Search a number
-
+
153135020442 = 231988711031373
BaseRepresentation
bin1000111010011110001…
…1101111100110011010
3112122021020120001102210
42032213203233212122
510002110031123232
6154203234535550
714030554124355
oct2164743574632
9478236501383
10153135020442
1159a427aa438
12258187375b6
1311595c19641
1475a9ca329c
153eb3e445cc
hex23a78ef99a

153135020442 has 64 divisors (see below), whose sum is σ = 323280875520. Its totient is φ = 48224965824.

The previous prime is 153135020419. The next prime is 153135020491. The reversal of 153135020442 is 244020531351.

153135020442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111532468 + ... + 111533840.

It is an arithmetic number, because the mean of its divisors is an integer number (5051263680).

Almost surely, 2153135020442 is an apocalyptic number.

153135020442 is an abundant number, since it is smaller than the sum of its proper divisors (170145855078).

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

153135020442 is a wasteful number, since it uses less digits than its factorization.

153135020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 153135020442 its reverse (244020531351), we get a palindrome (397155551793).

The spelling of 153135020442 in words is "one hundred fifty-three billion, one hundred thirty-five million, twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 887 1103 1373 1774 2206 2661 2746 3309 4119 5322 6618 8238 16853 20957 26087 33706 41914 50559 52174 62871 78261 101118 125742 156522 978361 1217851 1514419 1956722 2435702 2935083 3028838 3653553 4543257 5870166 7307106 9086514 18588859 23139169 28773961 37177718 46278338 55766577 57547922 69417507 86321883 111533154 138835014 172643766 1343289653 2686579306 4029868959 8059737918 25522503407 51045006814 76567510221 153135020442