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109869912 = 23331729921
BaseRepresentation
bin1101000110001…
…11101101011000
321122201222012000
412203013231120
5211111314122
614522521000
72502610305
oct643075530
9248658160
10109869912
1157022989
1230966160
13199bb0a9
14108400ac
1599a40ac
hex68c7b58

109869912 has 64 divisors (see below), whose sum is σ = 323157600. Its totient is φ = 34467840.

The previous prime is 109869911. The next prime is 109869941. The reversal of 109869912 is 219968901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109869911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11289 + ... + 18632.

Almost surely, 2109869912 is an apocalyptic number.

109869912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109869912 is an abundant number, since it is smaller than the sum of its proper divisors (213287688).

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

109869912 is a wasteful number, since it uses less digits than its factorization.

109869912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29953 (or 29943 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 109869912 is about 10481.8849449896. The cubic root of 109869912 is about 478.9530305248.

The spelling of 109869912 in words is "one hundred nine million, eight hundred sixty-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 918 1224 1836 3672 29921 59842 89763 119684 179526 239368 269289 359052 508657 538578 718104 807867 1017314 1077156 1525971 1615734 2034628 2154312 3051942 3231468 4069256 4577913 6103884 6462936 9155826 12207768 13733739 18311652 27467478 36623304 54934956 109869912