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83700681133212 = 22331113832786707
BaseRepresentation
bin10011000010000000010101…
…010111011100110010011100
3101222100201002101021211221000
4103002000111113130302130
541432322443332230322
6454003321224310300
723426113622543163
oct2302002527346234
9358321071254830
1083700681133212
1124740294477a20
129479904912390
133791c2bc93a50
1416951c54183da
159a23a7e2c3ac
hex4c20155dcc9c

83700681133212 has 288 divisors, whose sum is σ = 258048028143360. Its totient is φ = 23130666875520.

The previous prime is 83700681133207. The next prime is 83700681133231. The reversal of 83700681133212 is 21233118600738.

83700681133212 is a `hidden beast` number, since 8 + 370 + 0 + 68 + 1 + 1 + 3 + 3 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 106000363 + ... + 106787069.

It is an arithmetic number, because the mean of its divisors is an integer number (896000097720).

Almost surely, 283700681133212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83700681133212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129024014071680).

83700681133212 is an abundant number, since it is smaller than the sum of its proper divisors (174347347010148).

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

83700681133212 is a wasteful number, since it uses less digits than its factorization.

83700681133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786910 (or 786819 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 83700681133212 in words is "eighty-three trillion, seven hundred billion, six hundred eighty-one million, one hundred thirty-three thousand, two hundred twelve".