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120220230132 = 2234371050093
BaseRepresentation
bin110111111110110101…
…1110010000111110100
3102111022100120110110000
41233331223302013310
53432202334331012
6131121200431300
711454112044522
oct1577553620764
9374270513400
10120220230132
1146a922052a2
121b371618530
13b44ba05762
145b666b3312
1531d94a8ddc
hex1bfdaf21f4

120220230132 has 30 divisors (see below), whose sum is σ = 314279429618. Its totient is φ = 40073409936.

The previous prime is 120220230113. The next prime is 120220230157. The reversal of 120220230132 is 231032022021.

It can be written as a sum of positive squares in only one way, i.e., 80249824656 + 39970405476 = 283284^2 + 199926^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 185524723 + ... + 185525370.

Almost surely, 2120220230132 is an apocalyptic number.

120220230132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120220230132 is an abundant number, since it is smaller than the sum of its proper divisors (194059199486).

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

120220230132 is a wasteful number, since it uses less digits than its factorization.

120220230132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371050109 (or 371050098 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120220230132 its reverse (231032022021), we get a palindrome (351252252153).

The spelling of 120220230132 in words is "one hundred twenty billion, two hundred twenty million, two hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 371050093 742100186 1113150279 1484200372 2226300558 3339450837 4452601116 6678901674 10018352511 13357803348 20036705022 30055057533 40073410044 60110115066 120220230132