Search a number
-
+
131012224040252 = 222331477942129387
BaseRepresentation
bin11101110010011110101001…
…000100110011110100111100
3122011212122110011010022001102
4131302132221010303310330
5114133001013323242002
61142350103532032232
736411215021116022
oct3562365104636474
9564778404108042
10131012224040252
1138820a76a97525
121283b068902678
135814527238c29
14244d04dca2712
151022dde087a02
hex7727a9133d3c

131012224040252 has 192 divisors, whose sum is σ = 256019453706240. Its totient is φ = 58454255059200.

The previous prime is 131012224040251. The next prime is 131012224040267. The reversal of 131012224040252 is 252040422210131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012224040251) 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, 4458154703 + ... + 4458184089.

It is an arithmetic number, because the mean of its divisors is an integer number (1333434654720).

Almost surely, 2131012224040252 is an apocalyptic number.

It is an amenable number.

131012224040252 is a deficient number, since it is larger than the sum of its proper divisors (125007229665988).

131012224040252 is a wasteful number, since it uses less digits than its factorization.

131012224040252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29992 (or 29990 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 131012224040252 its reverse (252040422210131), we get a palindrome (383052646250383).

The spelling of 131012224040252 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, forty thousand, two hundred fifty-two".