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130320030 = 2358948809
BaseRepresentation
bin1111100010010…
…00011010011110
3100002012221110210
413301020122132
5231330220110
620533113250
73141462531
oct761103236
9302187423
10130320030
1167620405
1237788826
1320ccb359
1413444a18
15b693520
hex7c4869e

130320030 has 32 divisors (see below), whose sum is σ = 316288800. Its totient is φ = 34360832.

The previous prime is 130320013. The next prime is 130320037. The reversal of 130320030 is 30023031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130319988 and 130320015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130320037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21735 + ... + 27074.

It is an arithmetic number, because the mean of its divisors is an integer number (9884025).

Almost surely, 2130320030 is an apocalyptic number.

130320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130320030 is an abundant number, since it is smaller than the sum of its proper divisors (185968770).

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

130320030 is a wasteful number, since it uses less digits than its factorization.

130320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48908.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 130320030 is about 11415.7798682350. The cubic root of 130320030 is about 506.9950553692.

Adding to 130320030 its reverse (30023031), we get a palindrome (160343061).

The spelling of 130320030 in words is "one hundred thirty million, three hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 48809 97618 146427 244045 292854 488090 732135 1464270 4344001 8688002 13032003 21720005 26064006 43440010 65160015 130320030