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22073106042 = 2341312978081
BaseRepresentation
bin10100100011101010…
…001101111001111010
32002222022102222010000
4110203222031321322
5330201203343132
614050143133430
71410664206561
oct244352157172
962868388100
1022073106042
1193a77692a9
1243402a4276
13210a03a4c0
1410d5770bd8
15892c6e87c
hex523a8de7a

22073106042 has 80 divisors (see below), whose sum is σ = 53312395752. Its totient is φ = 6785648640.

The previous prime is 22073105953. The next prime is 22073106043. The reversal of 22073106042 is 24060137022.

22073106042 is a `hidden beast` number, since 2 + 20 + 7 + 31 + 0 + 604 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20095614081 + 1977491961 = 141759^2 + 44469^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22073105997 and 22073106015.

It is not an unprimeable number, because it can be changed into a prime (22073106043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2727442 + ... + 2735522.

Almost surely, 222073106042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22073106042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26656197876).

22073106042 is an abundant number, since it is smaller than the sum of its proper divisors (31239289710).

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

22073106042 is a wasteful number, since it uses less digits than its factorization.

22073106042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405 (or 9396 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 22073106042 in words is "twenty-two billion, seventy-three million, one hundred six thousand, forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 351 702 1053 1297 2106 2594 3891 7782 8081 11673 16162 16861 23346 24243 33722 35019 48486 50583 70038 72729 101166 105053 105057 145458 151749 210106 210114 218187 303498 315159 436374 455247 630318 654561 910494 945477 1309122 1365741 1890954 2731482 2836431 5672862 8509293 10481057 17018586 20962114 31443171 62886342 94329513 136253741 188659026 272507482 282988539 408761223 565977078 817522446 848965617 1226283669 1697931234 2452567338 3678851007 7357702014 11036553021 22073106042