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221123103230 = 25316199115067
BaseRepresentation
bin1100110111101111110…
…1101100100111111110
3210010202110010111202002
43031323331230213332
512110330003300410
6245325455302302
721655431236231
oct3157375544776
9703673114662
10221123103230
1185861255307
1236a3181a992
1317b0c5a6523
14a9b95db418
155b42adb7a5
hex337bf6c9fe

221123103230 has 32 divisors (see below), whose sum is σ = 410930841600. Its totient is φ = 85581488160.

The previous prime is 221123103181. The next prime is 221123103233. The reversal of 221123103230 is 32301321122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221123103233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1864157 + ... + 1979223.

It is an arithmetic number, because the mean of its divisors is an integer number (12841588800).

Almost surely, 2221123103230 is an apocalyptic number.

221123103230 is a deficient number, since it is larger than the sum of its proper divisors (189807738370).

221123103230 is a wasteful number, since it uses less digits than its factorization.

221123103230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121304.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221123103230 its reverse (32301321122), we get a palindrome (253424424352).

The spelling of 221123103230 in words is "two hundred twenty-one billion, one hundred twenty-three million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 6199 12398 30995 61990 115067 192169 230134 384338 575335 960845 1150670 1921690 3567077 7134154 17835385 35670770 713300333 1426600666 3566501665 7133003330 22112310323 44224620646 110561551615 221123103230