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21024302024232 = 23321373237306701
BaseRepresentation
bin1001100011111000110100…
…00011011100011000101000
32202102220101202102200012100
410301330122003130120220
510223430232304233412
6112414233033213400
74266645542411343
oct461743203343050
982386352380170
1021024302024232
1167763a1432481
122436798261260
13b96777304b70
1452982007d45a
15266d54d9bedc
hex131f1a0dc628

21024302024232 has 96 divisors (see below), whose sum is σ = 61321918137480. Its totient is φ = 6468906585600.

The previous prime is 21024302024213. The next prime is 21024302024237. The reversal of 21024302024232 is 23242020342012.

21024302024232 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 4 + 30 + 202 + 423 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8393570831556 + 12630731192676 = 2897166^2 + 3553974^2 .

It is a super-2 number, since 2×210243020242322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21024302024196 and 21024302024205.

It is not an unprimeable number, because it can be changed into a prime (21024302024237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68396482 + ... + 68703182.

Almost surely, 221024302024232 is an apocalyptic number.

It is an amenable number.

21024302024232 is an abundant number, since it is smaller than the sum of its proper divisors (40297616113248).

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

21024302024232 is a wasteful number, since it uses less digits than its factorization.

21024302024232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379963 (or 379956 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 21024302024232 its reverse (23242020342012), we get a palindrome (44266322366244).

The spelling of 21024302024232 in words is "twenty-one trillion, twenty-four billion, three hundred two million, twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 73237 146474 219711 292948 306701 439422 585896 613402 659133 878844 920103 952081 1226804 1318266 1757688 1840206 1904162 2453608 2636532 2760309 2856243 3680412 3808324 3987113 5273064 5520618 5712486 7360824 7616648 7974226 8568729 11041236 11424972 11961339 15948452 17137458 22082472 22849944 23922678 31896904 34274916 35884017 47845356 68549832 71768034 95690712 143536068 287072136 22461861137 44923722274 67385583411 89847444548 134771166822 179694889096 202156750233 269542333644 292004194781 404313500466 539084667288 584008389562 808627000932 876012584343 1168016779124 1617254001864 1752025168686 2336033558248 2628037753029 3504050337372 5256075506058 7008100674744 10512151012116 21024302024232