Search a number
-
+
130232130 = 23575311701
BaseRepresentation
bin1111100001100…
…10111101000010
3100002001110220020
413300302331002
5231314412010
620531154310
73140645340
oct760627502
9302043806
10130232130
1167570366
1237745996
1320c9a342
1413420990
15b677470
hex7c32f42

130232130 has 64 divisors (see below), whose sum is σ = 363979008. Its totient is φ = 29203200.

The previous prime is 130232129. The next prime is 130232153. The reversal of 130232130 is 31232031.

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 31 ways as a sum of consecutive naturals, for example, 5280 + ... + 16980.

It is an arithmetic number, because the mean of its divisors is an integer number (5687172).

Almost surely, 2130232130 is an apocalyptic number.

130232130 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 130232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181989504).

130232130 is an abundant number, since it is smaller than the sum of its proper divisors (233746878).

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

130232130 is a wasteful number, since it uses less digits than its factorization.

130232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11771.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130232130 is about 11411.9292847441. The cubic root of 130232130 is about 506.8810414588.

Adding to 130232130 its reverse (31232031), we get a palindrome (161464161).

Subtracting from 130232130 its reverse (31232031), we obtain a palindrome (99000099).

The spelling of 130232130 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 53 70 105 106 159 210 265 318 371 530 742 795 1113 1590 1855 2226 3710 5565 11130 11701 23402 35103 58505 70206 81907 117010 163814 175515 245721 351030 409535 491442 620153 819070 1228605 1240306 1860459 2457210 3100765 3720918 4341071 6201530 8682142 9302295 13023213 18604590 21705355 26046426 43410710 65116065 130232130