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20001013133101 = 71113101943920959
BaseRepresentation
bin1001000110000110110010…
…10010000110111100101101
32121211002002222211222222221
410203003121102012330231
510110144033330224401
6110312201045035341
74133011515351460
oct443033122067455
977732088758887
1020001013133101
116411422540a20
1222b03b69b5b51
13b2111a16b890
144d20a8a272d7
1524a413cad7a1
hex1230d9486f2d

20001013133101 has 64 divisors (see below), whose sum is σ = 27124560691200. Its totient is φ = 14241715488000.

The previous prime is 20001013133089. The next prime is 20001013133119. The reversal of 20001013133101 is 10133131010002.

It is not a de Polignac number, because 20001013133101 - 223 = 20001004744493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001013133401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 954281860 + ... + 954302818.

It is an arithmetic number, because the mean of its divisors is an integer number (423821260800).

Almost surely, 220001013133101 is an apocalyptic number.

It is an amenable number.

20001013133101 is a deficient number, since it is larger than the sum of its proper divisors (7123547558099).

20001013133101 is a wasteful number, since it uses less digits than its factorization.

20001013133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20001013133101 its reverse (10133131010002), we get a palindrome (30134144143103).

The spelling of 20001013133101 in words is "twenty trillion, one billion, thirteen million, one hundred thirty-three thousand, one hundred one".

Divisors: 1 7 11 13 77 91 101 143 707 1001 1111 1313 7777 9191 9439 14443 20959 66073 101101 103829 122707 146713 230549 272467 726803 858949 953339 1349777 1613843 1907269 2116859 2997137 6673373 9448439 10486729 12393407 14818013 20979959 23285449 27519167 73407103 86753849 136327477 162998143 192634169 197832001 302710837 954292339 1384824007 2118975859 2176152011 2571816013 15233064077 18002712091 19981032101 28289976143 139867224707 198029833001 219791353111 259753417313 1538539471777 1818273921191 2857287590443 20001013133101