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20133102311010 = 23251346337165831
BaseRepresentation
bin1001001001111100110100…
…11010010101011001100010
32122021201001111221110221100
410210332122122111121202
510114330043142423020
6110453004114335230
74145366021010513
oct444763232253142
978251044843840
1020133102311010
116462445427367
122311b1b28a516
13b3070ab12450
144d8639762a0a
1524da9524ca90
hex124f9a695662

20133102311010 has 96 divisors (see below), whose sum is σ = 56494443253248. Its totient is φ = 4945136676480.

The previous prime is 20133102310933. The next prime is 20133102311111. The reversal of 20133102311010 is 1011320133102.

20133102311010 is a `hidden beast` number, since 2 + 0 + 1 + 331 + 0 + 231 + 101 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18041206 + ... + 19124625.

It is an arithmetic number, because the mean of its divisors is an integer number (588483783888).

Almost surely, 220133102311010 is an apocalyptic number.

20133102311010 is an abundant number, since it is smaller than the sum of its proper divisors (36361340942238).

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

20133102311010 is a wasteful number, since it uses less digits than its factorization.

20133102311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37166320 (or 37166317 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20133102311010 its reverse (1011320133102), we get a palindrome (21144422444112).

The spelling of 20133102311010 in words is "twenty trillion, one hundred thirty-three billion, one hundred two million, three hundred eleven thousand, ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 463 585 926 1170 1389 2315 2778 4167 4630 6019 6945 8334 12038 13890 18057 20835 30095 36114 41670 54171 60190 90285 108342 180570 270855 541710 37165831 74331662 111497493 185829155 222994986 334492479 371658310 483155803 557487465 668984958 966311606 1114974930 1449467409 1672462395 2415779015 2898934818 3344924790 4348402227 4831558030 7247337045 8696804454 14494674090 17207779753 21742011135 34415559506 43484022270 51623339259 86038898765 103246678518 154870017777 172077797530 223701136789 258116696295 309740035554 447402273578 516233392590 671103410367 774350088885 1118505683945 1342206820734 1548700177770 2013310231101 2237011367890 3355517051835 4026620462202 6711034103670 10066551155505 20133102311010