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20041530050451 = 3713293889650927
BaseRepresentation
bin1001000111010010010000…
…10001111000011110010011
32121221221200200120122210110
410203221020101320132103
510111330023143103301
6110342541331132403
74135644540436110
oct443511021703623
977857620518713
1020041530050451
116427624260688
1222b8223a44103
13b24ba634a4a0
144d402db11907
1524b4d5d510d6
hex123a48478793

20041530050451 has 64 divisors (see below), whose sum is σ = 34031557324800. Its totient is φ = 10204186761216.

The previous prime is 20041530050449. The next prime is 20041530050459. The reversal of 20041530050451 is 15405003514002.

It is not a de Polignac number, because 20041530050451 - 21 = 20041530050449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20041530050459) 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, 30463750 + ... + 31114676.

It is an arithmetic number, because the mean of its divisors is an integer number (531743083200).

Almost surely, 220041530050451 is an apocalyptic number.

20041530050451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20041530050451 is a deficient number, since it is larger than the sum of its proper divisors (13990027274349).

20041530050451 is a wasteful number, since it uses less digits than its factorization.

20041530050451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654868.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 20041530050451 its reverse (15405003514002), we get a palindrome (35446533564453).

The spelling of 20041530050451 in words is "twenty trillion, forty-one billion, five hundred thirty million, fifty thousand, four hundred fifty-one".

Divisors: 1 3 7 13 21 29 39 87 91 203 273 377 609 1131 2639 3889 7917 11667 27223 50557 81669 112781 151671 338343 353899 650927 789467 1061697 1466153 1952781 2368401 4398459 4556489 8462051 10263071 13669467 18876883 25386153 30789213 56630649 59234357 132138181 177703071 245399479 396414543 736198437 1717796353 2531455103 5153389059 7594365309 17720185721 32908916339 53160557163 73412197987 98726749017 220236593961 230362414373 513885385909 691087243119 954358573831 1541656157727 2863075721493 6680510016817 20041530050451