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131445848544130 = 25174777232130169
BaseRepresentation
bin11101111000110010011111…
…000111000001001110000010
3122020102002201012010110000201
4131320302133013001032002
5114212102044211403010
61143321220022035414
736454435443435421
oct3570623707011602
9566362635113021
10131445848544130
11389789647982aa
12128ab104878b6a
1358463a0b1b8c3
1424660279db2b8
15102e31c8ac23a
hex778c9f1c1382

131445848544130 has 64 divisors (see below), whose sum is σ = 255883791260160. Its totient is φ = 48426319079424.

The previous prime is 131445848544119. The next prime is 131445848544133. The reversal of 131445848544130 is 31445848544131.

It is a super-2 number, since 2×1314458485441302 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131445848544133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60641686 + ... + 62771854.

It is an arithmetic number, because the mean of its divisors is an integer number (3998184238440).

Almost surely, 2131445848544130 is an apocalyptic number.

131445848544130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131445848544130 is a deficient number, since it is larger than the sum of its proper divisors (124437942716030).

131445848544130 is a wasteful number, since it uses less digits than its factorization.

131445848544130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137963.

The product of its (nonzero) digits is 14745600, while the sum is 55.

Subtracting from 131445848544130 its reverse (31445848544131), we obtain a palindrome (99999999999999).

The spelling of 131445848544130 in words is "one hundred thirty-one trillion, four hundred forty-five billion, eight hundred forty-eight million, five hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 47 85 94 170 235 470 799 1598 3995 7723 7990 15446 38615 77230 131291 262582 362981 656455 725962 1312910 1814905 2130169 3629810 4260338 6170677 10650845 12341354 21301690 30853385 36212873 61706770 72425746 100117943 181064365 200235886 362128730 500589715 1001179430 1702005031 3404010062 8510025155 16451295187 17020050310 32902590374 82256475935 164512951870 279672018179 559344036358 773210873789 1398360090895 1546421747578 2796720181790 3866054368945 7732108737890 13144584854413 26289169708826 65722924272065 131445848544130