Search a number
-
+
2134447760 = 245432332663
BaseRepresentation
bin111111100111001…
…0001011010010000
312111202100011212202
41333032101122100
513332404312020
6551444342332
7103615335524
oct17716213220
95452304782
102134447760
119a5927215
124b69a49a8
1328028c453
14163695d84
15c75bde75
hex7f391690

2134447760 has 80 divisors (see below), whose sum is σ = 5101709184. Its totient is φ = 830032896.

The previous prime is 2134447759. The next prime is 2134447787. The reversal of 2134447760 is 677444312.

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

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, 800189 + ... + 802851.

Almost surely, 22134447760 is an apocalyptic number.

2134447760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2134447760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550854592).

2134447760 is an abundant number, since it is smaller than the sum of its proper divisors (2967261424).

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

2134447760 is a wasteful number, since it uses less digits than its factorization.

2134447760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 2134447760 is about 46200.0839826077. The cubic root of 2134447760 is about 1287.5433002687.

The spelling of 2134447760 in words is "two billion, one hundred thirty-four million, four hundred forty-seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 233 344 430 466 688 860 932 1165 1720 1864 2330 2663 3440 3728 4660 5326 9320 10019 10652 13315 18640 20038 21304 26630 40076 42608 50095 53260 80152 100190 106520 114509 160304 200380 213040 229018 400760 458036 572545 620479 801520 916072 1145090 1240958 1832144 2290180 2481916 3102395 4580360 4963832 6204790 9160720 9927664 12409580 24819160 26680597 49638320 53361194 106722388 133402985 213444776 266805970 426889552 533611940 1067223880 2134447760