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210111011112112 = 241129176753232901
BaseRepresentation
bin101111110001100001001000…
…001011100100010010110000
31000112221102020121212002211121
4233301201020023210102300
5210014424322321041422
62022511355503552024
762154006503604235
oct5761411013442260
91015842217762747
10210111011112112
1160a4764120aa20
121b694b085bb614
1390314ca242296
1439c55da33778c
151945709c538c7
hexbf18482e44b0

210111011112112 has 80 divisors (see below), whose sum is σ = 459416578805280. Its totient is φ = 92210811392000.

The previous prime is 210111011112001. The next prime is 210111011112229. The reversal of 210111011112112 is 211211110111012.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 902030862 + ... + 902263762.

It is an arithmetic number, because the mean of its divisors is an integer number (5742707235066).

Almost surely, 2210111011112112 is an apocalyptic number.

210111011112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210111011112112 is an abundant number, since it is smaller than the sum of its proper divisors (249305567693168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210111011112112 is a wasteful number, since it uses less digits than its factorization.

210111011112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409702 (or 409696 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 210111011112112 its reverse (211211110111012), we get a palindrome (421322121223124).

The spelling of 210111011112112 in words is "two hundred ten trillion, one hundred eleven billion, eleven million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 1276 2552 5104 176753 232901 353506 465802 707012 931604 1414024 1863208 1944283 2561911 2828048 3726416 3888566 5123822 5125837 6754129 7777132 10247644 10251674 13508258 15554264 20495288 20503348 27016516 31108528 40990576 41006696 54033032 56384207 74295419 82013392 108066064 112768414 148590838 225536828 297181676 451073656 594363352 902147312 1188726704 41165950453 82331900906 164663801812 329327603624 452825454983 658655207248 905650909966 1193812563137 1811301819932 2387625126274 3622603639864 4775250252548 7245207279728 9550500505096 13131938194507 19101001010192 26263876389014 52527752778028 105055505556056 210111011112112