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8111980933320 = 233511831034491601
BaseRepresentation
bin111011000001011011110…
…1111011111000011001000
31001201111102220021012220010
41312002313233133003020
52030401314104331240
625130332000031520
71465033310150415
oct166026757370310
931644386235803
108111980933320
1126482a9837920
12ab01a60025a0
1346ac58620a54
1420089c99710c
15e1027e06280
hex760b7bdf0c8

8111980933320 has 512 divisors, whose sum is σ = 27206419968000. Its totient is φ = 1918500864000.

The previous prime is 8111980933319. The next prime is 8111980933339. The reversal of 8111980933320 is 233390891118.

It is a self number, because there is not a number n which added to its sum of digits gives 8111980933320.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5066820520 + ... + 5066822120.

It is an arithmetic number, because the mean of its divisors is an integer number (53137539000).

Almost surely, 28111980933320 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 8111980933320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13603209984000).

8111980933320 is an abundant number, since it is smaller than the sum of its proper divisors (19094439034680).

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

8111980933320 is a wasteful number, since it uses less digits than its factorization.

8111980933320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 8111980933320 in words is "eight trillion, one hundred eleven billion, nine hundred eighty million, nine hundred thirty-three thousand, three hundred twenty".