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130043312 = 2471161101
BaseRepresentation
bin1111100000001…
…00110110110000
3100001200212212222
413300010312300
5231242341222
620523140212
73136231010
oct760046660
9301625788
10130043312
1167451513
1237674668
1320c32409
14133b1c40
15b63b542
hex7c04db0

130043312 has 20 divisors (see below), whose sum is σ = 287953296. Its totient is φ = 55732800.

The previous prime is 130043299. The next prime is 130043339. The reversal of 130043312 is 213340031.

It is a happy number.

It is a super-2 number, since 2×1300433122 = 33822525991858688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580439 + ... + 580662.

Almost surely, 2130043312 is an apocalyptic number.

It is an amenable number.

130043312 is an abundant number, since it is smaller than the sum of its proper divisors (157909984).

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

130043312 is a wasteful number, since it uses less digits than its factorization.

130043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161116 (or 1161110 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 130043312 is about 11403.6534496625. The cubic root of 130043312 is about 506.6359545865.

Adding to 130043312 its reverse (213340031), we get a palindrome (343383343).

The spelling of 130043312 in words is "one hundred thirty million, forty-three thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 1161101 2322202 4644404 8127707 9288808 16255414 18577616 32510828 65021656 130043312