Search a number
-
+
23231102021330 = 2571967281927763
BaseRepresentation
bin1010100100000111010011…
…00101010110111011010010
310001020212112102221212001012
411102003221211112323102
511021104244104140310
6121224115420010522
74615251236034020
oct522035145267322
9101225472855035
1023231102021330
117447289503975
122732415090a42
13cc68b6905908
145a4569b87710
152a44632acc05
hex1520e9956ed2

23231102021330 has 128 divisors (see below), whose sum is σ = 51237511096320. Its totient is φ = 7406658040320.

The previous prime is 23231102021293. The next prime is 23231102021341. The reversal of 23231102021330 is 3312020113232.

It is a super-2 number, since 2×232311020213302 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23231102021296 and 23231102021305.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24576029 + ... + 25503791.

It is an arithmetic number, because the mean of its divisors is an integer number (400293055440).

Almost surely, 223231102021330 is an apocalyptic number.

23231102021330 is an abundant number, since it is smaller than the sum of its proper divisors (28006409074990).

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

23231102021330 is a wasteful number, since it uses less digits than its factorization.

23231102021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928144.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23231102021330 its reverse (3312020113232), we get a palindrome (26543122134562).

The spelling of 23231102021330 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred two million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 67 70 95 133 134 190 266 281 335 469 562 665 670 938 1273 1330 1405 1967 2345 2546 2810 3934 4690 5339 6365 8911 9835 10678 12730 17822 18827 19670 26695 37373 37654 44555 53390 74746 89110 94135 131789 186865 188270 263578 357713 373730 658945 715426 927763 1317890 1788565 1855526 2503991 3577130 4638815 5007982 6494341 9277630 12519955 12988682 17627497 25039910 32471705 35254994 62160121 64943410 88137485 123392479 124320242 176274970 246784958 260701403 310800605 435120847 521402806 616962395 621601210 870241694 1181042299 1233924790 1303507015 1824909821 2175604235 2362084598 2607014030 3649819642 4351208470 4953326657 5905211495 8267296093 9124549105 9906653314 11810422990 16534592186 17466994001 18249098210 24766633285 34673286599 34933988002 41336480465 49533266570 69346573198 82672960930 87334970005 122268958007 173366432995 174669940010 244537916014 331872886019 346732865990 611344790035 663745772038 1222689580070 1659364430095 2323110202133 3318728860190 4646220404266 11615551010665 23231102021330