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2113793472 = 263719235961
BaseRepresentation
bin111110111111101…
…1110110111000000
312110022110211112010
41331333132313000
513312112342342
6545425532520
7103244643120
oct17577366700
95408424463
102113793472
119951aa35a
124abaa4140
13278c0a28b
14160a3ac80
15c588e29c
hex7dfdedc0

2113793472 has 448 divisors, whose sum is σ = 7256678400. Its totient is φ = 529182720.

The previous prime is 2113793471. The next prime is 2113793483. The reversal of 2113793472 is 2743973112.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 2113793472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113793471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34652322 + ... + 34652382.

Almost surely, 22113793472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113793472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628339200).

2113793472 is an abundant number, since it is smaller than the sum of its proper divisors (5142884928).

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

2113793472 is a wasteful number, since it uses less digits than its factorization.

2113793472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 174 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 2113793472 is about 45976.0097442133. The cubic root of 2113793472 is about 1283.3767998921.

The spelling of 2113793472 in words is "two billion, one hundred thirteen million, seven hundred ninety-three thousand, four hundred seventy-two".