Search a number
-
+
790122549042 = 232192110272
BaseRepresentation
bin10110111111101101111…
…10010100111100110010
32210112102222222020112200
423133312332110330302
5100421132333032132
61402551032204030
7111040654565631
oct13376676247462
92715388866480
10790122549042
112850a8642692
1210916a539616
135967b799438
142a3565c3518
151584608ed7c
hexb7f6f94f32

790122549042 has 54 divisors (see below), whose sum is σ = 1806939943263. Its totient is φ = 249489756504.

The previous prime is 790122548993. The next prime is 790122549079. The reversal of 790122549042 is 240945221097.

790122549042 is a `hidden beast` number, since 7 + 90 + 12 + 2 + 549 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 395061274521 + 395061274521 = 628539^2 + 628539^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=628539.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 71647933 + ... + 71658959.

Almost surely, 2790122549042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 790122549042

790122549042 is an abundant number, since it is smaller than the sum of its proper divisors (1016817394221).

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

790122549042 is an equidigital number, since it uses as much as digits as its factorization.

790122549042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22100 (or 11051 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 790122549042 in words is "seven hundred ninety billion, one hundred twenty-two million, five hundred forty-nine thousand, forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 361 722 1083 2166 3249 6498 11027 22054 33081 66162 99243 198486 209513 419026 628539 1257078 1885617 3771234 3980747 7961494 11942241 23884482 35826723 71653446 121594729 243189458 364784187 729568374 1094352561 2188705122 2310299851 4620599702 6930899553 13861799106 20792698659 41585397318 43895697169 87791394338 131687091507 263374183014 395061274521 790122549042