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130270020 = 223516713001
BaseRepresentation
bin1111100001111…
…00001101000100
3100002010101212120
413300330031010
5231322120040
620532045540
73141163656
oct760741504
9302111776
10130270020
1167596881
12377638b0
1320cb166a
14134306d6
15b6837d0
hex7c3c344

130270020 has 48 divisors (see below), whose sum is σ = 366968448. Its totient is φ = 34528000.

The previous prime is 130270013. The next prime is 130270027. The reversal of 130270020 is 20072031.

It is an interprime number because it is at equal distance from previous prime (130270013) and next prime (130270027).

It is a super-2 number, since 2×1302700202 = 33940556221600800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (130270027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (7645176).

Almost surely, 2130270020 is an apocalyptic number.

130270020 is a gapful number since it is divisible by the number (10) 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 130270020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183484224).

130270020 is an abundant number, since it is smaller than the sum of its proper divisors (236698428).

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

130270020 is a wasteful number, since it uses less digits than its factorization.

130270020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180 (or 13178 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 130270020 is about 11413.5892689373. The cubic root of 130270020 is about 506.9301943582.

The spelling of 130270020 in words is "one hundred thirty million, two hundred seventy thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 167 334 501 668 835 1002 1670 2004 2505 3340 5010 10020 13001 26002 39003 52004 65005 78006 130010 156012 195015 260020 390030 780060 2171167 4342334 6513501 8684668 10855835 13027002 21711670 26054004 32567505 43423340 65135010 130270020