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13022121202131 = 37369778522537
BaseRepresentation
bin1011110101111111001011…
…1010001001000111010011
31201002220101000110000211010
42331133302322021013103
53201323301011432011
643410140242422003
72512550205616146
oct275376272110723
951086330400733
1013022121202131
114170717a29328
121563936061903
13735c99965532
143303b9d1605d
15178b067571a6
hexbd7f2e891d3

13022121202131 has 16 divisors (see below), whose sum is σ = 17603199968544. Its totient is φ = 8561262403584.

The previous prime is 13022121202117. The next prime is 13022121202157. The reversal of 13022121202131 is 13120212122031.

It is not a de Polignac number, because 13022121202131 - 25 = 13022121202099 is a prime.

It is a super-2 number, since 2×130221212021312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13022121202098 and 13022121202107.

It is not an unprimeable number, because it can be changed into a prime (13022121202331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733306 + ... + 5789231.

It is an arithmetic number, because the mean of its divisors is an integer number (1100199998034).

Almost surely, 213022121202131 is an apocalyptic number.

13022121202131 is a deficient number, since it is larger than the sum of its proper divisors (4581078766413).

13022121202131 is an equidigital number, since it uses as much as digits as its factorization.

13022121202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529590.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13022121202131 its reverse (13120212122031), we get a palindrome (26142333324162).

The spelling of 13022121202131 in words is "thirteen trillion, twenty-two billion, one hundred twenty-one million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 3 73 219 6977 20931 509321 1527963 8522537 25567611 622145201 1866435603 59461740649 178385221947 4340707067377 13022121202131