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23220120310 = 2517614494987
BaseRepresentation
bin10101101000000001…
…101110101011110110
32012221020202022212221
4111220001232223312
5340023322322220
614400035432554
71451262523522
oct255001565366
965836668787
1023220120310
119936175082
12460045575a
13226086c57a
1411a3c2ad82
1590d7e09aa
hex56806eaf6

23220120310 has 64 divisors (see below), whose sum is σ = 45089524800. Its totient is φ = 8577515520.

The previous prime is 23220120289. The next prime is 23220120317. The reversal of 23220120310 is 1302102232.

It is a super-2 number, since 2×232201203102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220120317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4653637 + ... + 4658623.

It is an arithmetic number, because the mean of its divisors is an integer number (704523825).

Almost surely, 223220120310 is an apocalyptic number.

23220120310 is a deficient number, since it is larger than the sum of its proper divisors (21869404490).

23220120310 is a wasteful number, since it uses less digits than its factorization.

23220120310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23220120310 its reverse (1302102232), we get a palindrome (24522222542).

The spelling of 23220120310 in words is "twenty-three billion, two hundred twenty million, one hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 61 85 122 170 305 449 610 898 1037 2074 2245 4490 4987 5185 7633 9974 10370 15266 24935 27389 38165 49870 54778 76330 84779 136945 169558 273890 304207 423895 465613 608414 847790 931226 1521035 2239163 2328065 3042070 4478326 4656130 5171519 10343038 11195815 22391630 25857595 38065771 51715190 76131542 136588943 190328855 273177886 380657710 682944715 1365889430 2322012031 4644024062 11610060155 23220120310