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223117489830 = 23559162777477
BaseRepresentation
bin1100111111001011010…
…1101011011010100110
3210022220102220211211110
43033302311223122212
512123421034133310
6250255422045450
722056026241354
oct3176265533246
9708812824743
10223117489830
11866950084a4
12372a9719886
1318069836841
14ab284347d4
155c0cc40d20
hex33f2d6b6a6

223117489830 has 64 divisors (see below), whose sum is σ = 544899674880. Its totient is φ = 58452852864.

The previous prime is 223117489807. The next prime is 223117489843. The reversal of 223117489830 is 38984711322.

It is a happy number.

It is a super-3 number, since 3×2231174898303 (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223117489830.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2841052 + ... + 2918528.

It is an arithmetic number, because the mean of its divisors is an integer number (8514057420).

Almost surely, 2223117489830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223117489830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272449837440).

223117489830 is an abundant number, since it is smaller than the sum of its proper divisors (321782185050).

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

223117489830 is a wasteful number, since it uses less digits than its factorization.

223117489830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79173.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 223117489830 in words is "two hundred twenty-three billion, one hundred seventeen million, four hundred eighty-nine thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1627 1770 3254 4881 8135 9762 16270 24405 48810 77477 95993 154954 191986 232431 287979 387385 464862 479965 575958 774770 959930 1162155 1439895 2324310 2879790 4571143 9142286 13713429 22855715 27426858 45711430 68567145 126055079 137134290 252110158 378165237 630275395 756330474 1260550790 1890826185 3781652370 7437249661 14874499322 22311748983 37186248305 44623497966 74372496610 111558744915 223117489830