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2146720604 = 22776668593
BaseRepresentation
bin111111111110100…
…0101101101011100
312112121102201001112
41333331011231130
513344030024404
6553003401152
7104124552440
oct17775055534
95477381045
102146720604
11a01849a66
124bab231b8
132829986a2
1416516c820
15c86e556e
hex7ff45b5c

2146720604 has 12 divisors (see below), whose sum is σ = 4293441264. Its totient is φ = 920023104.

The previous prime is 2146720591. The next prime is 2146720619. The reversal of 2146720604 is 4060276412.

2146720604 is an admirable number.

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, 38334269 + ... + 38334324.

It is an arithmetic number, because the mean of its divisors is an integer number (357786772).

Almost surely, 22146720604 is an apocalyptic number.

It is an amenable number.

2146720604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2146720604 is a wasteful number, since it uses less digits than its factorization.

2146720604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76668604 (or 76668602 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2146720604 is about 46332.7163460119. The cubic root of 2146720604 is about 1290.0063305180.

The spelling of 2146720604 in words is "two billion, one hundred forty-six million, seven hundred twenty thousand, six hundred four".

Divisors: 1 2 4 7 14 28 76668593 153337186 306674372 536680151 1073360302 2146720604