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130220106 = 23712391279
BaseRepresentation
bin1111100001100…
…00000001001010
3100002000212101220
413300300001022
5231314020411
620531022510
73140565312
oct760600112
9302025356
10130220106
1167562325
123773aa36
1320c94a23
141341a442
15b673b06
hex7c3004a

130220106 has 32 divisors (see below), whose sum is σ = 265420800. Its totient is φ = 42582960.

The previous prime is 130220093. The next prime is 130220117. The reversal of 130220106 is 601022031.

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, 101175 + ... + 102453.

It is an arithmetic number, because the mean of its divisors is an integer number (8294400).

Almost surely, 2130220106 is an apocalyptic number.

130220106 is an abundant number, since it is smaller than the sum of its proper divisors (135200694).

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

130220106 is a wasteful number, since it uses less digits than its factorization.

130220106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130220106 is about 11411.4024554390. The cubic root of 130220106 is about 506.8654413013.

Adding to 130220106 its reverse (601022031), we get a palindrome (731242137).

The spelling of 130220106 in words is "one hundred thirty million, two hundred twenty thousand, one hundred six".

Divisors: 1 2 3 6 71 142 213 239 426 478 717 1279 1434 2558 3837 7674 16969 33938 50907 90809 101814 181618 272427 305681 544854 611362 917043 1834086 21703351 43406702 65110053 130220106