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2111412130020 = 223451303340821
BaseRepresentation
bin11110101110011001111…
…110000101000011100100
321110211220221102110120000
4132232121332011003210
5234043133001130040
64253545213341300
7305354521661454
oct36563176050344
97424827373500
102111412130020
117444991150a6
122a1257797830
1312414a498c6b
147429b421d64
1539dc9064130
hex1eb99f850e4

2111412130020 has 60 divisors (see below), whose sum is σ = 6623578057404. Its totient is φ = 563043234240.

The previous prime is 2111412130007. The next prime is 2111412130021. The reversal of 2111412130020 is 200312141112.

2111412130020 is a `hidden beast` number, since 211 + 14 + 121 + 300 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 629889846336 + 1481522283684 = 793656^2 + 1217178^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×21114121300202 (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2111412129975 and 2111412130002.

It is not an unprimeable number, because it can be changed into a prime (2111412130021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 651668791 + ... + 651672030.

Almost surely, 22111412130020 is an apocalyptic number.

2111412130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111412130020 is an abundant number, since it is smaller than the sum of its proper divisors (4512165927384).

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

2111412130020 is a wasteful number, since it uses less digits than its factorization.

2111412130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303340842 (or 1303340831 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2111412130020 its reverse (200312141112), we get a palindrome (2311724271132).

The spelling of 2111412130020 in words is "two trillion, one hundred eleven billion, four hundred twelve million, one hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 1303340821 2606681642 3910022463 5213363284 6516704105 7820044926 11730067389 13033408210 15640089852 19550112315 23460134778 26066816420 35190202167 39100224630 46920269556 58650336945 70380404334 78200449260 105570606501 117300673890 140760808668 175951010835 211141213002 234601347780 351902021670 422282426004 527853032505 703804043340 1055706065010 2111412130020