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15242212230 = 2357535872333
BaseRepresentation
bin11100011001000000…
…11011001110000110
31110100020220121101220
432030200123032012
5222204001242410
611000245301210
71046500444350
oct161440331606
943306817356
1015242212230
116511916713
122b54704806
13158ba92abb
14a484740d0
155e320b070
hex38c81b386

15242212230 has 128 divisors (see below), whose sum is σ = 42686880768. Its totient is φ = 3410913792.

The previous prime is 15242212211. The next prime is 15242212259. The reversal of 15242212230 is 3221224251.

It is a self number, because there is not a number n which added to its sum of digits gives 15242212230.

It is a congruent number.

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, 6532144 + ... + 6534476.

It is an arithmetic number, because the mean of its divisors is an integer number (333491256).

Almost surely, 215242212230 is an apocalyptic number.

15242212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15242212230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21343440384).

15242212230 is an abundant number, since it is smaller than the sum of its proper divisors (27444668538).

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

15242212230 is a wasteful number, since it uses less digits than its factorization.

15242212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 15242212230 its reverse (3221224251), we get a palindrome (18463436481).

The spelling of 15242212230 in words is "fifteen billion, two hundred forty-two million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 53 70 105 106 159 210 265 318 371 530 587 742 795 1113 1174 1590 1761 1855 2226 2333 2935 3522 3710 4109 4666 5565 5870 6999 8218 8805 11130 11665 12327 13998 16331 17610 20545 23330 24654 31111 32662 34995 41090 48993 61635 62222 69990 81655 93333 97986 123270 123649 155555 163310 186666 217777 244965 247298 311110 370947 435554 466665 489930 618245 653331 741894 865543 933330 1088885 1236490 1306662 1369471 1731086 1854735 2177770 2596629 2738942 3266655 3709470 4108413 4327715 5193258 6533310 6847355 8216826 8655430 9586297 12983145 13694710 19172594 20542065 25966290 28758891 41084130 47931485 57517782 72581963 95862970 143794455 145163926 217745889 287588910 362909815 435491778 508073741 725819630 1016147482 1088729445 1524221223 2177458890 2540368705 3048442446 5080737410 7621106115 15242212230