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20111201202310 = 2517711531662631
BaseRepresentation
bin1001001001010100000010…
…00000001111000010000110
32122012121112012010212211021
410210222001000033002012
510114000220001433220
6110434542553501354
74143662212445611
oct444520100170206
978177465125737
1020111201202310
116454126865229
12230982871185a
13b2b62a60642a
144d755cba5178
1524d2126554aa
hex124a8100f086

20111201202310 has 32 divisors (see below), whose sum is σ = 38330145214272. Its totient is φ = 7571164784640.

The previous prime is 20111201202277. The next prime is 20111201202353. The reversal of 20111201202310 is 1320210211102.

It is a super-2 number, since 2×201112012023102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11264695 + ... + 12927325.

It is an arithmetic number, because the mean of its divisors is an integer number (1197817037946).

Almost surely, 220111201202310 is an apocalyptic number.

20111201202310 is a deficient number, since it is larger than the sum of its proper divisors (18218944011962).

20111201202310 is a wasteful number, since it uses less digits than its factorization.

20111201202310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733808.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20111201202310 its reverse (1320210211102), we get a palindrome (21431411413412).

The spelling of 20111201202310 in words is "twenty trillion, one hundred eleven billion, two hundred one million, two hundred two thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 85 170 71153 142306 355765 711530 1209601 1662631 2419202 3325262 6048005 8313155 12096010 16626310 28264727 56529454 141323635 282647270 118301183543 236602367086 591505917715 1183011835430 2011120120231 4022240240462 10055600601155 20111201202310