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69939922112 = 268387715013
BaseRepresentation
bin100000100100010111…
…1101000010011000000
320200112020022011111122
41001020233220103000
52121214110001422
652044023131412
75024114346314
oct1011057502300
9220466264448
1069939922112
1127730298725
121167a8a3b68
136797b710c8
143556a57b44
151c451e4d42
hex1048be84c0

69939922112 has 56 divisors (see below), whose sum is σ = 140628691056. Its totient is φ = 34506943488.

The previous prime is 69939922111. The next prime is 69939922141. The reversal of 69939922112 is 21122993996.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69939922111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4651118 + ... + 4666130.

It is an arithmetic number, because the mean of its divisors is an integer number (2511226626).

Almost surely, 269939922112 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 69939922112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70314345528).

69939922112 is an abundant number, since it is smaller than the sum of its proper divisors (70688768944).

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

69939922112 is a wasteful number, since it uses less digits than its factorization.

69939922112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15985 (or 15975 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The spelling of 69939922112 in words is "sixty-nine billion, nine hundred thirty-nine million, nine hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 83 166 332 664 877 1328 1754 2656 3508 5312 7016 14032 15013 28064 30026 56128 60052 72791 120104 145582 240208 291164 480416 582328 960832 1164656 1246079 2329312 2492158 4658624 4984316 9968632 13166401 19937264 26332802 39874528 52665604 79749056 105331208 210662416 421324832 842649664 1092811283 2185622566 4371245132 8742490264 17484980528 34969961056 69939922112