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13133332111220 = 2256555791001659
BaseRepresentation
bin1011111100011101011110…
…0110000101111101110100
31201111112102111101120011222
42333013113212011331310
53210134031010024340
643533211450245512
72523565133011616
oct277072746057564
951445374346158
1013133332111220
1142038a6656352
1215813b2426898
13743610ca6199
14335929c68db6
1517b964ce28b5
hexbf1d7985f74

13133332111220 has 24 divisors (see below), whose sum is σ = 27580067037600. Its totient is φ = 5253319586592.

The previous prime is 13133332111199. The next prime is 13133332111253. The reversal of 13133332111220 is 2211123333131.

It is a self number, because there is not a number n which added to its sum of digits gives 13133332111220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12610751 + ... + 13612409.

It is an arithmetic number, because the mean of its divisors is an integer number (1149169459900).

Almost surely, 213133332111220 is an apocalyptic number.

13133332111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133332111220 is an abundant number, since it is smaller than the sum of its proper divisors (14446734926380).

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

13133332111220 is a wasteful number, since it uses less digits than its factorization.

13133332111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657247 (or 1657245 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13133332111220 its reverse (2211123333131), we get a palindrome (15344455444351).

The spelling of 13133332111220 in words is "thirteen trillion, one hundred thirty-three billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 655579 1001659 1311158 2003318 2622316 3277895 4006636 5008295 6555790 10016590 13111580 20033180 656666605561 1313333211122 2626666422244 3283333027805 6566666055610 13133332111220