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123056272030 = 2537716916779
BaseRepresentation
bin111001010011010111…
…0011011001010011110
3102202122000002022112211
41302212232123022132
54004004401201110
6132310430551034
711614310024326
oct1624656331236
9382560068484
10123056272030
114820806a57a
121ba2336847a
13b7b1441a63
145d551da286
15330346298a
hex1ca6b9b29e

123056272030 has 64 divisors (see below), whose sum is σ = 231059796480. Its totient is φ = 47142345600.

The previous prime is 123056272013. The next prime is 123056272039. The reversal of 123056272030 is 30272650321.

It is a junction number, because it is equal to n+sod(n) for n = 123056271983 and 123056272001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123056272039) 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, 18149181 + ... + 18155959.

It is an arithmetic number, because the mean of its divisors is an integer number (3610309320).

Almost surely, 2123056272030 is an apocalyptic number.

123056272030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123056272030 is a deficient number, since it is larger than the sum of its proper divisors (108003524450).

123056272030 is a wasteful number, since it uses less digits than its factorization.

123056272030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7585.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 123056272030 in words is "one hundred twenty-three billion, fifty-six million, two hundred seventy-two thousand, thirty".

Divisors: 1 2 5 10 37 71 74 142 185 355 370 691 710 1382 2627 3455 5254 6779 6910 13135 13558 25567 26270 33895 49061 51134 67790 98122 127835 245305 250823 255670 481309 490610 501646 962618 1254115 1815257 2406545 2508230 3630514 4684289 4813090 9076285 9368578 17808433 18152570 23421445 35616866 46842890 89042165 173318693 178084330 332584519 346637386 665169038 866593465 1662922595 1733186930 3325845190 12305627203 24611254406 61528136015 123056272030