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16169048920 = 235404226223
BaseRepresentation
bin11110000111100000…
…00001101101011000
31112201211220210022201
433003300001231120
5231103234031140
611232234455544
71111453435213
oct170360015530
945654823281
1016169048920
116948008852
123172b945b4
1316a8ac468b
14ad55b877a
1564978949a
hex3c3c01b58

16169048920 has 16 divisors (see below), whose sum is σ = 36380360160. Its totient is φ = 6467619552.

The previous prime is 16169048911. The next prime is 16169048939. The reversal of 16169048920 is 2984096161.

It is a happy number.

It is a super-3 number, since 3×161690489203 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202113072 + ... + 202113151.

It is an arithmetic number, because the mean of its divisors is an integer number (2273772510).

Almost surely, 216169048920 is an apocalyptic number.

16169048920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16169048920 is an abundant number, since it is smaller than the sum of its proper divisors (20211311240).

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

16169048920 is a wasteful number, since it uses less digits than its factorization.

16169048920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404226234 (or 404226230 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 16169048920 in words is "sixteen billion, one hundred sixty-nine million, forty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 404226223 808452446 1616904892 2021131115 3233809784 4042262230 8084524460 16169048920