Search a number
-
+
131010720362 = 2678311779421
BaseRepresentation
bin111101000000011011…
…0001111001001101010
3110112011100210011022022
41322000312033021222
54121302221022422
6140104022224442
712315365514644
oct1720066171152
9415140704268
10131010720362
115061a155315
1221483285122
13c47b3c6412
1464ab807894
15361b961342
hex1e80d8f26a

131010720362 has 16 divisors (see below), whose sum is σ = 201852175392. Its totient is φ = 63750221040.

The previous prime is 131010720361. The next prime is 131010720389. The reversal of 131010720362 is 263027010131.

It is a super-2 number, since 2×1310107203622 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131010720361) 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, 5878589 + ... + 5900832.

It is an arithmetic number, because the mean of its divisors is an integer number (12615760962).

Almost surely, 2131010720362 is an apocalyptic number.

131010720362 is a deficient number, since it is larger than the sum of its proper divisors (70841455030).

131010720362 is a wasteful number, since it uses less digits than its factorization.

131010720362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11779573.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 131010720362 its reverse (263027010131), we get a palindrome (394037730493).

The spelling of 131010720362 in words is "one hundred thirty-one billion, ten million, seven hundred twenty thousand, three hundred sixty-two".

Divisors: 1 2 67 83 134 166 5561 11122 11779421 23558842 789221207 977691943 1578442414 1955383886 65505360181 131010720362