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212107741335760 = 24571221316874339
BaseRepresentation
bin110000001110100100101110…
…100100111001000011010000
31000211000022011012001002212211
4300032210232210321003100
5210300133123240221020
62031040541242201504
762451164363506534
oct6016445644710320
91024008135032784
10212107741335760
116164742a38a3a6
121b957a994b3294
13914789c24703a
143a540d8837bc4
15197c620b4d85a
hexc0e92e9390d0

212107741335760 has 80 divisors (see below), whose sum is σ = 500322291073920. Its totient is φ = 83610319869440.

The previous prime is 212107741335709. The next prime is 212107741335761. The reversal of 212107741335760 is 67533147701212.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212107741335761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4132671 + ... + 21007009.

It is an arithmetic number, because the mean of its divisors is an integer number (6254028638424).

Almost surely, 2212107741335760 is an apocalyptic number.

212107741335760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212107741335760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250161145536960).

212107741335760 is an abundant number, since it is smaller than the sum of its proper divisors (288214549738160).

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

212107741335760 is a wasteful number, since it uses less digits than its factorization.

212107741335760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876636 (or 16876630 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 212107741335760 in words is "two hundred twelve trillion, one hundred seven billion, seven hundred forty-one million, three hundred thirty-five thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 71 80 142 284 355 568 710 1136 1420 2213 2840 4426 5680 8852 11065 17704 22130 35408 44260 88520 157123 177040 314246 628492 785615 1256984 1571230 2513968 3142460 6284920 12569840 16874339 33748678 67497356 84371695 134994712 168743390 269989424 337486780 674973560 1198078069 1349947120 2396156138 4792312276 5990390345 9584624552 11980780690 19169249104 23961561380 37342912207 47923122760 74685824414 95846245520 149371648828 186714561035 298743297656 373429122070 597486595312 746858244140 1493716488280 2651346766697 2987432976560 5302693533394 10605387066788 13256733833485 21210774133576 26513467666970 42421548267152 53026935333940 106053870667880 212107741335760