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13121213223332 = 22103255131633947
BaseRepresentation
bin1011111011110000010101…
…0000001101000110100100
31201110101010220120021022102
42332330011100031012210
53204434221041121312
643523445132351232
72522655616115144
oct276740520150644
951411126507272
1013121213223332
1141a9747882525
12157ab8b915518
1374242c3169c6
143350da540924
1517b4a5ddaec2
hexbef0540d1a4

13121213223332 has 48 divisors (see below), whose sum is σ = 23207356204032. Its totient is φ = 6490666490400.

The previous prime is 13121213223271. The next prime is 13121213223343. The reversal of 13121213223332 is 23332231212131.

It is a junction number, because it is equal to n+sod(n) for n = 13121213223295 and 13121213223304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3324348983 + ... + 3324352929.

It is an arithmetic number, because the mean of its divisors is an integer number (483486587584).

Almost surely, 213121213223332 is an apocalyptic number.

It is an amenable number.

13121213223332 is a deficient number, since it is larger than the sum of its proper divisors (10086142980700).

13121213223332 is a wasteful number, since it uses less digits than its factorization.

13121213223332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768 (or 9766 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

Adding to 13121213223332 its reverse (23332231212131), we get a palindrome (36453444435463).

The spelling of 13121213223332 in words is "thirteen trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 103 206 412 2551 3163 3947 5102 6326 7894 10204 12652 15788 262753 325789 406541 525506 651578 813082 1051012 1303156 1626164 8068813 10068797 12484361 16137626 20137594 24968722 32275252 40275188 49937444 831087739 1037086091 1285889183 1662175478 2074172182 2571778366 3324350956 4148344364 5143556732 31847604911 63695209822 127390419644 3280303305833 6560606611666 13121213223332