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13120443423211 = 295325144376771
BaseRepresentation
bin1011111011101101011101…
…0111101001100111101011
31201110022011021001101001211
42332323113113221213223
53204431132004020321
643523240513053551
72522630550662005
oct276732727514753
951408137041054
1013120443423211
1141a9392299283
12157a9b5b572b7
137423389a8a87
143350661d7375
1517b45d52c0e1
hexbeed75e99eb

13120443423211 has 32 divisors (see below), whose sum is σ = 13915582168320. Its totient is φ = 12351371760000.

The previous prime is 13120443423181. The next prime is 13120443423223. The reversal of 13120443423211 is 11232434402131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13120443423211 - 25 = 13120443423179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120443423811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170865256 + ... + 170942026.

It is an arithmetic number, because the mean of its divisors is an integer number (434861942760).

Almost surely, 213120443423211 is an apocalyptic number.

13120443423211 is a deficient number, since it is larger than the sum of its proper divisors (795138745109).

13120443423211 is a wasteful number, since it uses less digits than its factorization.

13120443423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77547.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 13120443423211 its reverse (11232434402131), we get a palindrome (24352877825342).

The spelling of 13120443423211 in words is "thirteen trillion, one hundred twenty billion, four hundred forty-three million, four hundred twenty-three thousand, two hundred eleven".

Divisors: 1 29 53 251 443 1537 7279 12847 13303 23479 76771 111193 385787 680891 2226359 3224597 4068863 5893229 19269521 34009553 117997027 170903641 558816109 986277037 1021284613 1802506309 8536397803 29617253777 52272682961 247555536287 452429083559 13120443423211