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20123320001010 = 2354333746289237
BaseRepresentation
bin1001001001101010100110…
…10101110010000111110010
32122020202210202210122100120
410210311103111302013302
510114200024410013020
6110444305305431110
74144601425521342
oct444652325620762
978222722718316
1020123320001010
116459285588046
12231004b19b496
13b2c80c264135
144d7d8c4a8d22
1524d6c1540740
hex124d535721f2

20123320001010 has 64 divisors (see below), whose sum is σ = 49565775422592. Its totient is φ = 5225869587456.

The previous prime is 20123320001003. The next prime is 20123320001051. The reversal of 20123320001010 is 1010002332102.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 22709889 + ... + 23579348.

It is an arithmetic number, because the mean of its divisors is an integer number (774465240978).

Almost surely, 220123320001010 is an apocalyptic number.

20123320001010 is an abundant number, since it is smaller than the sum of its proper divisors (29442455421582).

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

20123320001010 is a wasteful number, since it uses less digits than its factorization.

20123320001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46289627.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20123320001010 its reverse (1010002332102), we get a palindrome (21133322333112).

The spelling of 20123320001010 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty million, one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 337 430 645 674 1011 1290 1685 2022 3370 5055 10110 14491 28982 43473 72455 86946 144910 217365 434730 46289237 92578474 138867711 231446185 277735422 462892370 694338555 1388677110 1990437191 3980874382 5971311573 9952185955 11942623146 15599472869 19904371910 29856557865 31198945738 46798418607 59713115730 77997364345 93596837214 155994728690 233992093035 467984186070 670777333367 1341554666734 2012332000101 3353886666835 4024664000202 6707773333670 10061660000505 20123320001010