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201011001230 = 25131679919343
BaseRepresentation
bin1011101100110100110…
…0000111011110001110
3201012211210122212110102
42323031030013132032
511243132304014410
6232202043211102
720344145214314
oct2731514073616
9635753585412
10201011001230
1178280519406
1232b5a216a92
1315c5590b860
149a2c4940b4
1553670ca2a5
hex2ecd30778e

201011001230 has 64 divisors (see below), whose sum is σ = 392422883328. Its totient is φ = 73692685440.

The previous prime is 201011001137. The next prime is 201011001241. The reversal of 201011001230 is 32100110102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21509939 + ... + 21519281.

It is an arithmetic number, because the mean of its divisors is an integer number (6131607552).

Almost surely, 2201011001230 is an apocalyptic number.

201011001230 is a deficient number, since it is larger than the sum of its proper divisors (191411882098).

201011001230 is a wasteful number, since it uses less digits than its factorization.

201011001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201011001230 its reverse (32100110102), we get a palindrome (233111111332).

The spelling of 201011001230 in words is "two hundred one billion, eleven million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 167 334 835 991 1670 1982 2171 4342 4955 9343 9910 10855 12883 18686 21710 25766 46715 64415 93430 121459 128830 165497 242918 330994 607295 827485 1214590 1560281 1654970 2151461 3120562 4302922 7801405 9258913 10757305 15602810 18517826 20283653 21514610 40567306 46294565 92589130 101418265 120365869 202836530 240731738 601829345 1203658690 1546238471 3092476942 7731192355 15462384710 20101100123 40202200246 100505500615 201011001230