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22313230530 = 23531174113781
BaseRepresentation
bin10100110001111110…
…001110000011000010
32010121001021112222120
4110301332032003002
5331144141334110
614130041545110
71416641221143
oct246176160302
963531245876
1022313230530
119510267398
1243a87a5196
132147a02bb6
1411195d9aca
158a8da2870
hex531f8e0c2

22313230530 has 64 divisors (see below), whose sum is σ = 55314994176. Its totient is φ = 5754528000.

The previous prime is 22313230529. The next prime is 22313230543. The reversal of 22313230530 is 3503231322.

It is a super-3 number, since 3×223132305303 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22313230530.

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, 1612240 + ... + 1626020.

It is an arithmetic number, because the mean of its divisors is an integer number (864296784).

Almost surely, 222313230530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22313230530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27657497088).

22313230530 is an abundant number, since it is smaller than the sum of its proper divisors (33001763646).

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

22313230530 is a wasteful number, since it uses less digits than its factorization.

22313230530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 22313230530 its reverse (3503231322), we get a palindrome (25816461852).

The spelling of 22313230530 in words is "twenty-two billion, three hundred thirteen million, two hundred thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1741 3482 5223 8705 10446 13781 17410 26115 27562 41343 52230 53971 68905 82686 107942 137810 161913 206715 269855 323826 413430 427211 539710 809565 854422 1281633 1619130 2136055 2563266 4272110 6408165 12816330 23992721 47985442 71978163 119963605 143956326 239927210 359890815 719781630 743774351 1487548702 2231323053 3718871755 4462646106 7437743510 11156615265 22313230530