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2842970304321 = 327217247232
BaseRepresentation
bin101001010111101110001…
…111000010111101000001
3101001210012111012012222100
4221113232033002331001
5333034400344214241
610014013104101013
7412253311603200
oct51275617027501
911053174165870
102842970304321
119a6773691184
1239aba1004769
13178124a7b204
149b859a99237
154de439319b6
hex295ee3c2f41

2842970304321 has 81 divisors (see below), whose sum is σ = 5075565508611. Its totient is φ = 1528668699264.

The previous prime is 2842970304281. The next prime is 2842970304329. The reversal of 2842970304321 is 1234030792482.

The square root of 2842970304321 is 1686111.

It is a perfect power (a square), and thus also a powerful number.

2842970304321 is a `hidden beast` number, since 2 + 8 + 4 + 297 + 0 + 30 + 4 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2213385185025 + 629585119296 = 1487745^2 + 793464^2 .

It is not a de Polignac number, because 2842970304321 - 27 = 2842970304193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2842970304329) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 601939266 + ... + 601943988.

Almost surely, 22842970304321 is an apocalyptic number.

2842970304321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2842970304321 is the 1686111-st square number.

2842970304321 is the 843056-th centered octagonal number.

It is an amenable number.

2842970304321 is a deficient number, since it is larger than the sum of its proper divisors (2232595204290).

2842970304321 is an frugal number, since it uses more digits than its factorization.

2842970304321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 2842970304321 in words is "two trillion, eight hundred forty-two billion, nine hundred seventy million, three hundred four thousand, three hundred twenty-one".

Divisors: 1 3 7 9 17 21 49 51 63 119 147 153 289 357 441 833 867 1071 2023 2499 2601 4723 6069 7497 14161 14169 18207 33061 42483 42507 80291 99183 127449 231427 240873 297549 562037 694281 722619 1364947 1686111 2082843 3934259 4094841 5058333 9554629 11802777 12284523 22306729 28663887 35408331 66882403 66920187 85991661 156147103 200647209 200760561 379214393 468441309 601941627 1093029721 1137643179 1405323927 2654500751 3279089163 3412929537 6446644681 7963502253 9837267489 18581505257 19339934043 23890506759 45126512767 55744515771 58019802129 135379538301 167233547313 315885589369 406138614903 947656768107 2842970304321