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8105432216 = 237220677123
BaseRepresentation
bin1111000110001111…
…10001010010011000
3202220212210121201012
413203013301102120
5113044442312331
63420143313052
7404601015500
oct74307612230
922825717635
108105432216
11348a33a212
1216a25ab788
139c233934b
1456c6b0a00
153268c482b
hex1e31f1498

8105432216 has 24 divisors (see below), whose sum is σ = 17678941020. Its totient is φ = 3473756496.

The previous prime is 8105432201. The next prime is 8105432239. The reversal of 8105432216 is 6122345018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10338170 + ... + 10338953.

Almost surely, 28105432216 is an apocalyptic number.

It is an amenable number.

8105432216 is an abundant number, since it is smaller than the sum of its proper divisors (9573508804).

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

8105432216 is a wasteful number, since it uses less digits than its factorization.

8105432216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20677143 (or 20677132 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 8105432216 is about 90030.1739196365. The cubic root of 8105432216 is about 2008.7477010801.

The spelling of 8105432216 in words is "eight billion, one hundred five million, four hundred thirty-two thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 20677123 41354246 82708492 144739861 165416984 289479722 578959444 1013179027 1157918888 2026358054 4052716108 8105432216