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13100021011 = 7119710916091
BaseRepresentation
bin11000011001101001…
…00111010100010011
31020210222000000111101
430030310213110103
5203312101133021
610003522525231
7642426225040
oct141464472423
936728000441
1013100021011
115612690750
122657206817
13130a021c2c
148c3b641c7
1551a10ca91
hex30cd27513

13100021011 has 32 divisors (see below), whose sum is σ = 16653288960. Its totient is φ = 10009267200.

The previous prime is 13100021009. The next prime is 13100021017. The reversal of 13100021011 is 11012000131.

It is a cyclic number.

It is not a de Polignac number, because 13100021011 - 21 = 13100021009 is a prime.

It is a super-2 number, since 2×131000210112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13100021017) 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, 806076 + ... + 822166.

It is an arithmetic number, because the mean of its divisors is an integer number (520415280).

Almost surely, 213100021011 is an apocalyptic number.

13100021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13100021011 is a deficient number, since it is larger than the sum of its proper divisors (3553267949).

13100021011 is a wasteful number, since it uses less digits than its factorization.

13100021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16315.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 13100021011 its reverse (11012000131), we get a palindrome (24112021142).

The spelling of 13100021011 in words is "thirteen billion, one hundred million, twenty-one thousand, eleven".

Divisors: 1 7 11 77 97 109 679 763 1067 1199 7469 8393 10573 16091 74011 112637 116303 177001 814121 1239007 1560827 1753919 10925789 12277433 17169097 19293109 120183679 135051763 170130143 1190911001 1871431573 13100021011