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103212102013111 = 72132112321435179
BaseRepresentation
bin10111011101111011110000…
…101011010101000010110111
3111112102222110211221110021001
4113131323300223111002313
5102012011341103404421
61003302552440304131
730511554050565400
oct2735736053250267
9445388424843231
10103212102013111
112a983008941683
12b6ab244172047
134578b232c6700
141b6b6c71a09a7
15bdebb4b59691
hex5ddef0ad50b7

103212102013111 has 72 divisors (see below), whose sum is σ = 130210737108480. Its totient is φ = 81535785274944.

The previous prime is 103212102013099. The next prime is 103212102013117. The reversal of 103212102013111 is 111310201212301.

It is not a de Polignac number, because 103212102013111 - 211 = 103212102011063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212102013117) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19928960920 + ... + 19928966098.

It is an arithmetic number, because the mean of its divisors is an integer number (1808482459840).

Almost surely, 2103212102013111 is an apocalyptic number.

103212102013111 is a deficient number, since it is larger than the sum of its proper divisors (26998635095369).

103212102013111 is a wasteful number, since it uses less digits than its factorization.

103212102013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485 (or 8465 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 103212102013111 its reverse (111310201212301), we get a palindrome (214522303225412).

The spelling of 103212102013111 in words is "one hundred three trillion, two hundred twelve billion, one hundred two million, thirteen thousand, one hundred eleven".

Divisors: 1 7 13 49 91 169 637 1123 1183 2143 5179 7861 8281 14599 15001 27859 36253 55027 67327 102193 105007 189787 195013 253771 362167 471289 715351 875251 1328509 1365091 2406589 2535169 3299023 5816017 6126757 9299563 11098597 16846123 17746183 31285657 40712119 42887299 75608221 77690179 117922861 144281761 218999599 284984833 406713541 529257547 543831253 982906873 1009972327 1532997193 1875662893 2846994787 3704802829 6880348111 7069806289 12463724431 13129640251 19928963509 48162436777 87246071017 91907481757 162028417603 610722497119 1134198923221 2106369428839 7939392462547 14744586001873 103212102013111