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133400311103540 = 2251311319323525981
BaseRepresentation
bin11110010101001110101110…
…001010000000000000110100
3122111022221112001020122001002
4132111032232022000000310
5114441112314120303130
61151415131253422432
740045566032203145
oct3625165612000064
9574287461218032
10133400311103540
1139561832973a68
1212b65a5a33aa18
13595879800b150
1424d28766bbacc
1510650acb89b45
hex7953ae280034

133400311103540 has 96 divisors (see below), whose sum is σ = 305936763332256. Its totient is φ = 48566656696320.

The previous prime is 133400311103539. The next prime is 133400311103599. The reversal of 133400311103540 is 45301113004331.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 60642072439204 + 72758238664336 = 7787302^2 + 8529844^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6092651 + ... + 17433330.

It is an arithmetic number, because the mean of its divisors is an integer number (3186841284711).

Almost surely, 2133400311103540 is an apocalyptic number.

133400311103540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133400311103540 is an abundant number, since it is smaller than the sum of its proper divisors (172536452228716).

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

133400311103540 is a wasteful number, since it uses less digits than its factorization.

133400311103540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23526309 (or 23526307 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 133400311103540 its reverse (45301113004331), we get a palindrome (178701424107871).

The spelling of 133400311103540 in words is "one hundred thirty-three trillion, four hundred billion, three hundred eleven million, one hundred three thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 113 130 193 226 260 386 452 565 772 965 1130 1469 1930 2260 2509 2938 3860 5018 5876 7345 10036 12545 14690 21809 25090 29380 43618 50180 87236 109045 218090 283517 436180 567034 1134068 1417585 2835170 5670340 23525981 47051962 94103924 117629905 235259810 305837753 470519620 611675506 1223351012 1529188765 2658435853 3058377530 4540514333 5316871706 6116755060 9081028666 10633743412 13292179265 18162057332 22702571665 26584358530 34559666089 45405143330 53168717060 59026686329 69119332178 90810286660 118053372658 138238664356 172798330445 236106745316 295133431645 345596660890 513078119629 590266863290 691193321780 1026156239258 1180533726580 2052312478516 2565390598145 5130781196290 6670015555177 10261562392580 13340031110354 26680062220708 33350077775885 66700155551770 133400311103540