Search a number
-
+
131202144231042 = 23146221149547767
BaseRepresentation
bin11101110101001111100001…
…001100110101111010000010
3122012112210200000110121202210
4131311033201030311322002
5114144103442410343132
61143013233304522550
736431020305111123
oct3565174114657202
9565483600417683
10131202144231042
1138894575a92895
121286ba30780456
135829403176351
1424583093a804a
151027d07636bcc
hex7753e1335e82

131202144231042 has 16 divisors (see below), whose sum is σ = 262406084789952. Its totient is φ = 43733748689040.

The previous prime is 131202144231013. The next prime is 131202144231047. The reversal of 131202144231042 is 240132441202131.

It is a happy number.

131202144231042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1312021442310422 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131202144231047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73896558 + ... + 75651209.

It is an arithmetic number, because the mean of its divisors is an integer number (16400380299372).

Almost surely, 2131202144231042 is an apocalyptic number.

131202144231042 is an abundant number, since it is smaller than the sum of its proper divisors (131203940558910).

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

131202144231042 is a wasteful number, since it uses less digits than its factorization.

131202144231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149693993.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131202144231042 its reverse (240132441202131), we get a palindrome (371334585433173).

The spelling of 131202144231042 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred forty-four million, two hundred thirty-one thousand, forty-two".

Divisors: 1 2 3 6 146221 292442 438663 877326 149547767 299095534 448643301 897286602 21867024038507 43734048077014 65601072115521 131202144231042