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69496349912 = 23114390720249
BaseRepresentation
bin100000010111001001…
…1100010010011011000
320122101022122100211122
41000232103202103120
52114312031144122
651532015544412
75010120141023
oct1005623422330
9218338570748
1069496349912
1127522972330
121157622b108
136726cb5052
143513b901ba
151c1b2c6142
hex102e4e24d8

69496349912 has 64 divisors (see below), whose sum is σ = 145625040000. Its totient is φ = 30819075840.

The previous prime is 69496349873. The next prime is 69496349927. The reversal of 69496349912 is 21994369496.

It is a super-2 number, since 2×694963499122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3421964 + ... + 3442212.

It is an arithmetic number, because the mean of its divisors is an integer number (2275391250).

Almost surely, 269496349912 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 69496349912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72812520000).

69496349912 is an abundant number, since it is smaller than the sum of its proper divisors (76128690088).

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

69496349912 is a wasteful number, since it uses less digits than its factorization.

69496349912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216 (or 21212 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 62.

The spelling of 69496349912 in words is "sixty-nine billion, four hundred ninety-six million, three hundred forty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 43 44 86 88 172 344 473 907 946 1814 1892 3628 3784 7256 9977 19954 20249 39001 39908 40498 78002 79816 80996 156004 161992 222739 312008 429011 445478 858022 870707 890956 1716044 1741414 1781912 3432088 3482828 6965656 9577777 18365843 19155554 36731686 38311108 73463372 76622216 146926744 202024273 404048546 789731249 808097092 1579462498 1616194184 3158924996 6317849992 8687043739 17374087478 34748174956 69496349912