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2021310132 = 2231731093187
BaseRepresentation
bin111100001111010…
…1011111010110100
312012212110012020020
41320132223322310
513114423411012
6532323405140
7101042565312
oct17036537264
95185405206
102021310132
11947a82246
12484b237b0
132629c8bca
141526450b2
15bc6c1a8c
hex787abeb4

2021310132 has 48 divisors (see below), whose sum is σ = 4996998720. Its totient is φ = 633733632.

The previous prime is 2021310107. The next prime is 2021310163. The reversal of 2021310132 is 2310131202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632643 + ... + 635829.

It is an arithmetic number, because the mean of its divisors is an integer number (104104140).

Almost surely, 22021310132 is an apocalyptic number.

It is an amenable number.

2021310132 is an abundant number, since it is smaller than the sum of its proper divisors (2975688588).

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

2021310132 is a wasteful number, since it uses less digits than its factorization.

2021310132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320 (or 6318 counting only the distinct ones).

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

The square root of 2021310132 is about 44958.9827731901. The cubic root of 2021310132 is about 1264.3800973610.

Adding to 2021310132 its reverse (2310131202), we get a palindrome (4331441334).

The spelling of 2021310132 in words is "two billion, twenty-one million, three hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 3109 3187 6218 6374 9327 9561 12436 12748 18654 19122 37308 38244 52853 54179 105706 108358 158559 162537 211412 216716 317118 325074 634236 650148 9908383 19816766 29725149 39633532 59450298 118900596 168442511 336885022 505327533 673770044 1010655066 2021310132