Search a number
-
+
130211250 = 2354132671
BaseRepresentation
bin1111100001011…
…01110110110010
3100002000102020220
413300231312302
5231313230000
620530513510
73140530431
oct760556662
9302012226
10130211250
1167556704
1237735896
1320c909a0
1413417118
15b6711a0
hex7c2ddb2

130211250 has 80 divisors (see below), whose sum is σ = 350587776. Its totient is φ = 32040000.

The previous prime is 130211227. The next prime is 130211269. The reversal of 130211250 is 52112031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47415 + ... + 50085.

Almost surely, 2130211250 is an apocalyptic number.

130211250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130211250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175293888).

130211250 is an abundant number, since it is smaller than the sum of its proper divisors (220376526).

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

130211250 is a wasteful number, since it uses less digits than its factorization.

130211250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 130211250 is about 11411.0144159054. The cubic root of 130211250 is about 506.8539507508.

Adding to 130211250 its reverse (52112031), we get a palindrome (182323281).

The spelling of 130211250 in words is "one hundred thirty million, two hundred eleven thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 125 130 150 195 250 325 375 390 625 650 750 975 1250 1625 1875 1950 2671 3250 3750 4875 5342 8013 8125 9750 13355 16026 16250 24375 26710 34723 40065 48750 66775 69446 80130 104169 133550 173615 200325 208338 333875 347230 400650 520845 667750 868075 1001625 1041690 1669375 1736150 2003250 2604225 3338750 4340375 5008125 5208450 8680750 10016250 13021125 21701875 26042250 43403750 65105625 130211250