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1681374112 = 25116771293
BaseRepresentation
bin110010000110111…
…1011101110100000
311100011210122200021
41210031323232200
511420412432422
6434501403224
756444305225
oct14415735640
94304718607
101681374112
11793101290
123ab109514
1320a457732
1411d43794c
159c924dc7
hex6437bba0

1681374112 has 48 divisors (see below), whose sum is σ = 3665081952. Its totient is φ = 752843520.

The previous prime is 1681374109. The next prime is 1681374113. The reversal of 1681374112 is 2114731861.

It is not an unprimeable number, because it can be changed into a prime (1681374113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12063 + ... + 59230.

It is an arithmetic number, because the mean of its divisors is an integer number (76355874).

Almost surely, 21681374112 is an apocalyptic number.

It is an amenable number.

1681374112 is an abundant number, since it is smaller than the sum of its proper divisors (1983707840).

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

1681374112 is a wasteful number, since it uses less digits than its factorization.

1681374112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71381 (or 71373 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 1681374112 is about 41004.5620876507. The cubic root of 1681374112 is about 1189.1084139123.

The spelling of 1681374112 in words is "one billion, six hundred eighty-one million, three hundred seventy-four thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 67 88 134 176 268 352 536 737 1072 1474 2144 2948 5896 11792 23584 71293 142586 285172 570344 784223 1140688 1568446 2281376 3136892 4776631 6273784 9553262 12547568 19106524 25095136 38213048 52542941 76426096 105085882 152852192 210171764 420343528 840687056 1681374112