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2021032312 = 231335355051
BaseRepresentation
bin111100001110110…
…1000000101111000
312012211221002010121
41320131220011320
513114341013222
6532313423024
7101040330325
oct17035500570
95184832117
102021032312
11947902542
12484a0aa74
1326292c610
141525b1b4c
15bc6695c7
hex78768178

2021032312 has 32 divisors (see below), whose sum is σ = 4092565680. Its totient is φ = 930124800.

The previous prime is 2021032303. The next prime is 2021032327. The reversal of 2021032312 is 2132301202.

It is a super-2 number, since 2×20210323122 = 8169143212296130688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9187 + ... + 64237.

Almost surely, 22021032312 is an apocalyptic number.

It is an amenable number.

2021032312 is an abundant number, since it is smaller than the sum of its proper divisors (2071533368).

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

2021032312 is a wasteful number, since it uses less digits than its factorization.

2021032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55423 (or 55419 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021032312 is about 44955.8929618799. The cubic root of 2021032312 is about 1264.3221669181.

Adding to 2021032312 its reverse (2132301202), we get a palindrome (4153333514).

The spelling of 2021032312 in words is "two billion, twenty-one million, thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 353 706 1412 2824 4589 9178 18356 36712 55051 110102 220204 440408 715663 1431326 2862652 5725304 19433003 38866006 77732012 155464024 252629039 505258078 1010516156 2021032312