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68099842382 = 21113238111337
BaseRepresentation
bin111111011011000100…
…010010000101001110
320111202222212102122112
4333123010102011032
52103432024424012
651141251544022
74630402052345
oct773304220516
9214688772575
1068099842382
1126976649580
12112465bb012
13656388a130
14342050ab5c
151b888c1122
hexfdb11214e

68099842382 has 16 divisors (see below), whose sum is σ = 120008114352. Its totient is φ = 28573360320.

The previous prime is 68099842361. The next prime is 68099842387. The reversal of 68099842382 is 28324899086.

68099842382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68099842387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119055383 + ... + 119055954.

It is an arithmetic number, because the mean of its divisors is an integer number (7500507147).

Almost surely, 268099842382 is an apocalyptic number.

68099842382 is a deficient number, since it is larger than the sum of its proper divisors (51908271970).

68099842382 is a wasteful number, since it uses less digits than its factorization.

68099842382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238111363.

The product of its (nonzero) digits is 11943936, while the sum is 59.

The spelling of 68099842382 in words is "sixty-eight billion, ninety-nine million, eight hundred forty-two thousand, three hundred eighty-two".

Divisors: 1 2 11 13 22 26 143 286 238111337 476222674 2619224707 3095447381 5238449414 6190894762 34049921191 68099842382