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20067281572039 = 1317233617631619
BaseRepresentation
bin1001001000000010001110…
…01100001001000011000111
32122001102011100121111102021
410210001013030021003013
510112240243040301124
6110402440515424011
74140545641654402
oct444010714110307
978042140544367
1020067281572039
116437539326a29
12230120bbb5007
13b2744b491c20
144d5393c04d39
1524bee19c17e4
hex1240473090c7

20067281572039 has 32 divisors (see below), whose sum is σ = 23017637522880. Its totient is φ = 17331031990272.

The previous prime is 20067281572021. The next prime is 20067281572097. The reversal of 20067281572039 is 93027518276002.

It is a happy number.

It is not a de Polignac number, because 20067281572039 - 25 = 20067281572007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067281572139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31455372 + ... + 32086990.

It is an arithmetic number, because the mean of its divisors is an integer number (719301172590).

Almost surely, 220067281572039 is an apocalyptic number.

20067281572039 is a deficient number, since it is larger than the sum of its proper divisors (2950355950841).

20067281572039 is a wasteful number, since it uses less digits than its factorization.

20067281572039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632499.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 20067281572039 in words is "twenty trillion, sixty-seven billion, two hundred eighty-one million, five hundred seventy-two thousand, thirty-nine".

Divisors: 1 13 17 221 233 617 3029 3961 8021 10489 51493 136357 143761 631619 1868893 2443937 8211047 10737523 31771181 139587799 147167227 389708923 1913173951 2501842859 5066215999 6625051691 32523957167 86125671983 90802179059 1180428327767 1543637044003 20067281572039