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1681014212 = 222111991723
BaseRepresentation
bin110010000110010…
…0011110111000100
311100011010100222122
41210030203313010
511420314423322
6434445545112
756441246033
oct14414436704
94304110878
101681014212
11792985949
123aab75198
1320a35c987
1411d38271a
159c8a3442
hex64323dc4

1681014212 has 12 divisors (see below), whose sum is σ = 2955718416. Its totient is φ = 836523240.

The previous prime is 1681014211. The next prime is 1681014221. The reversal of 1681014212 is 2124101861.

It is not an unprimeable number, because it can be changed into a prime (1681014211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995018 + ... + 996705.

It is an arithmetic number, because the mean of its divisors is an integer number (246309868).

Almost surely, 21681014212 is an apocalyptic number.

It is an amenable number.

1681014212 is a deficient number, since it is larger than the sum of its proper divisors (1274704204).

1681014212 is a wasteful number, since it uses less digits than its factorization.

1681014212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991938 (or 1991936 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1681014212 is about 41000.1733167068. The cubic root of 1681014212 is about 1189.0235645315.

The spelling of 1681014212 in words is "one billion, six hundred eighty-one million, fourteen thousand, two hundred twelve".

Divisors: 1 2 4 211 422 844 1991723 3983446 7966892 420253553 840507106 1681014212