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130220770 = 2531439769
BaseRepresentation
bin1111100001100…
…00001011100010
3100002000220022111
413300300023202
5231314031040
620531025534
73140600251
oct760601342
9302026274
10130220770
1167562879
123773b2aa
1320c95114
141341a798
15b673dea
hex7c302e2

130220770 has 32 divisors (see below), whose sum is σ = 247610880. Its totient is φ = 49230720.

The previous prime is 130220749. The next prime is 130220807. The reversal of 130220770 is 77022031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8446 + ... + 18214.

It is an arithmetic number, because the mean of its divisors is an integer number (7737840).

Almost surely, 2130220770 is an apocalyptic number.

130220770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130220770 is a deficient number, since it is larger than the sum of its proper divisors (117390110).

130220770 is a wasteful number, since it uses less digits than its factorization.

130220770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 130220770 is about 11411.4315491090. The cubic root of 130220770 is about 506.8663028121.

It can be divided in two parts, 130 and 220770, that added together give a square (220900 = 4702).

The spelling of 130220770 in words is "one hundred thirty million, two hundred twenty thousand, seven hundred seventy".

Divisors: 1 2 5 10 31 43 62 86 155 215 310 430 1333 2666 6665 9769 13330 19538 48845 97690 302839 420067 605678 840134 1514195 2100335 3028390 4200670 13022077 26044154 65110385 130220770