Search a number
-
+
293197561220 = 225271296318257
BaseRepresentation
bin1000100010000111110…
…11111011110110000100
31001000210102221100000002
410101003323323312010
514300432033424340
6342405413140432
730116465102324
oct4210373736604
91030712840002
10293197561220
1110338741a373
12489a732a718
1321857737bc5
1410295931284
1579603bb715
hex4443efbd84

293197561220 has 48 divisors (see below), whose sum is σ = 618229317888. Its totient is φ = 116800427520.

The previous prime is 293197561213. The next prime is 293197561253. The reversal of 293197561220 is 22165791392.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16050332 + ... + 16068588.

It is an arithmetic number, because the mean of its divisors is an integer number (12879777456).

Almost surely, 2293197561220 is an apocalyptic number.

293197561220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

293197561220 is an abundant number, since it is smaller than the sum of its proper divisors (325031756668).

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

293197561220 is a wasteful number, since it uses less digits than its factorization.

293197561220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21500 (or 21498 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 293197561220 in words is "two hundred ninety-three billion, one hundred ninety-seven million, five hundred sixty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 2963 5420 5926 11852 14815 18257 29630 36514 59260 73028 91285 182570 365140 802973 1605946 3211892 4014865 4947647 8029730 9895294 16059460 19790588 24738235 49476470 54095491 98952940 108190982 216381964 270477455 540954910 1081909820 14659878061 29319756122 58639512244 73299390305 146598780610 293197561220