Search a number
-
+
142311312353145 = 351310213257219463
BaseRepresentation
bin100000010110111001101111…
…001110000110011101111001
3200122212211101001012111111210
4200112321233032012131321
5122123112031430300040
61222400525300113333
741655436662112065
oct4026715716063571
9618784331174453
10142311312353145
1141387985858711
1213b64a76695849
136153b8c632750
14271dc9345aaa5
15116bc9cd66480
hex816e6f386779

142311312353145 has 64 divisors (see below), whose sum is σ = 245529988591104. Its totient is φ = 69970525194240.

The previous prime is 142311312353141. The next prime is 142311312353213. The reversal of 142311312353145 is 541353213113241.

It is not a de Polignac number, because 142311312353145 - 22 = 142311312353141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (142311312353141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 648342684 + ... + 648562146.

It is an arithmetic number, because the mean of its divisors is an integer number (3836406071736).

Almost surely, 2142311312353145 is an apocalyptic number.

142311312353145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142311312353145 is a deficient number, since it is larger than the sum of its proper divisors (103218676237959).

142311312353145 is a wasteful number, since it uses less digits than its factorization.

142311312353145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223762.

The product of its digits is 129600, while the sum is 39.

Adding to 142311312353145 its reverse (541353213113241), we get a palindrome (683664525466386).

The spelling of 142311312353145 in words is "one hundred forty-two trillion, three hundred eleven billion, three hundred twelve million, three hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 1021 3063 3257 5105 9771 13273 15315 16285 39819 42341 48855 66365 127023 199095 211705 219463 635115 658389 1097315 2853019 3291945 3325397 8559057 9976191 14265095 16626985 42795285 43230161 49880955 129690483 216150805 224071723 648452415 672215169 714790991 1120358615 2144372973 2912932399 3361075845 3573954955 8738797197 9292282883 10721864865 14564661995 27876848649 43693985985 46461414415 139384243245 729801601811 2189404805433 3649008009055 9487420823543 10947024027165 28462262470629 47437104117715 142311312353145