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20333148630 = 23510318713517
BaseRepresentation
bin10010111011111100…
…110011100111010110
31221111001101222020220
4102323330303213112
5313120241224010
613201345535210
71316605624464
oct227374634726
957431358226
1020333148630
118694594573
123b35644506
131bc07108c2
14dac647834
157e0126970
hex4bbf339d6

20333148630 has 64 divisors (see below), whose sum is σ = 49313691648. Its totient is φ = 5365134720.

The previous prime is 20333148629. The next prime is 20333148631. The reversal of 20333148630 is 3684133302.

It is an interprime number because it is at equal distance from previous prime (20333148629) and next prime (20333148631).

It is a junction number, because it is equal to n+sod(n) for n = 20333148591 and 20333148600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333148631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5779632 + ... + 5783148.

It is an arithmetic number, because the mean of its divisors is an integer number (770526432).

Almost surely, 220333148630 is an apocalyptic number.

20333148630 is an abundant number, since it is smaller than the sum of its proper divisors (28980543018).

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

20333148630 is a wasteful number, since it uses less digits than its factorization.

20333148630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 20333148630 in words is "twenty billion, three hundred thirty-three million, one hundred forty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 1871 3090 3517 3742 5613 7034 9355 10551 11226 17585 18710 21102 28065 35170 52755 56130 105510 192713 362251 385426 578139 724502 963565 1086753 1156278 1811255 1927130 2173506 2890695 3622510 5433765 5781390 6580307 10867530 13160614 19740921 32901535 39481842 65803070 98704605 197409210 677771621 1355543242 2033314863 3388858105 4066629726 6777716210 10166574315 20333148630