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13121213103310 = 2513100932408487
BaseRepresentation
bin1011111011110000010100…
…1111101111110011001110
31201110101010220100011200011
42332330011033233303032
53204434221023301220
643523445130023434
72522655615105214
oct276740517576316
951411126304604
1013121213103310
1141a9747800334
12157ab8b877b7a
1374242c2a41a0
143350da50ccb4
1517b4a5db565a
hexbef053efcce

13121213103310 has 16 divisors (see below), whose sum is σ = 25434966938976. Its totient is φ = 4844755607328.

The previous prime is 13121213103293. The next prime is 13121213103371. The reversal of 13121213103310 is 1330131212131.

It is a super-2 number, since 2×131212131033102 (a number of 27 digits) contains 22 as substring.

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, 50466204114 + ... + 50466204373.

It is an arithmetic number, because the mean of its divisors is an integer number (1589685433686).

Almost surely, 213121213103310 is an apocalyptic number.

13121213103310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121213103310 is a deficient number, since it is larger than the sum of its proper divisors (12313753835666).

13121213103310 is a wasteful number, since it uses less digits than its factorization.

13121213103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100932408507.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13121213103310 its reverse (1330131212131), we get a palindrome (14451344315441).

The spelling of 13121213103310 in words is "thirteen trillion, one hundred twenty-one billion, two hundred thirteen million, one hundred three thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 100932408487 201864816974 504662042435 1009324084870 1312121310331 2624242620662 6560606551655 13121213103310