Search a number
-
+
2671094640 = 243543258827
BaseRepresentation
bin1001111100110101…
…1010101101110000
320220011010200000010
42133031122231300
520432300012030
61121014454520
7123122633634
oct23715325560
96804120003
102671094640
111150843a35
12626664440
13337505a96
141b4a6adc4
151097756b0
hex9f35ab70

2671094640 has 80 divisors (see below), whose sum is σ = 8472993408. Its totient is φ = 695724288.

The previous prime is 2671094599. The next prime is 2671094663. The reversal of 2671094640 is 464901762.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119094 + ... + 139733.

Almost surely, 22671094640 is an apocalyptic number.

2671094640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2671094640 is an abundant number, since it is smaller than the sum of its proper divisors (5801898768).

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

2671094640 is a wasteful number, since it uses less digits than its factorization.

2671094640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258886 (or 258880 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2671094640 is about 51682.6338338131. The cubic root of 2671094640 is about 1387.4896705667.

The spelling of 2671094640 in words is "two billion, six hundred seventy-one million, ninety-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 129 172 215 240 258 344 430 516 645 688 860 1032 1290 1720 2064 2580 3440 5160 10320 258827 517654 776481 1035308 1294135 1552962 2070616 2588270 3105924 3882405 4141232 5176540 6211848 7764810 10353080 11129561 12423696 15529620 20706160 22259122 31059240 33388683 44518244 55647805 62118480 66777366 89036488 111295610 133554732 166943415 178072976 222591220 267109464 333886830 445182440 534218928 667773660 890364880 1335547320 2671094640