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7074009409401 = 321141724312
BaseRepresentation
bin110011011110000101111…
…0100010110011101111001
3221001021020212201111222100
41212330023310112131321
51411400032402100101
623013431032014013
71330036355603124
oct146741364263571
927037225644870
107074009409401
112288085990000
12962ba7531309
133c40cb60a47c
141a65535313bb
15c4027ce2e86
hex66f0bd16779

7074009409401 has 135 divisors (see below), whose sum is σ = 11967565315615. Its totient is φ = 4025723433600.

The previous prime is 7074009409393. The next prime is 7074009409403. The reversal of 7074009409401 is 1049049004707.

The square root of 7074009409401 is 2659701.

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

7074009409401 is a `hidden beast` number, since 70 + 7 + 400 + 94 + 0 + 94 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5507446772025 + 1566562637376 = 2346795^2 + 1251624^2 .

It is not a de Polignac number, because 7074009409401 - 23 = 7074009409393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7074009409403) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 16413014656 + ... + 16413015086.

Almost surely, 27074009409401 is an apocalyptic number.

7074009409401 is the 2659701-st square number.

7074009409401 is the 1329851-st centered octagonal number.

It is an amenable number.

7074009409401 is a deficient number, since it is larger than the sum of its proper divisors (4893555906214).

7074009409401 is an frugal number, since it uses more digits than its factorization.

7074009409401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 7074009409401 in words is "seven trillion, seventy-four billion, nine million, four hundred nine thousand, four hundred one".

Divisors: 1 3 9 11 17 33 51 99 121 153 187 289 363 431 561 867 1089 1293 1331 1683 2057 2601 3179 3879 3993 4741 6171 7327 9537 11979 14223 14641 18513 21981 22627 28611 34969 42669 43923 52151 65943 67881 80597 104907 124559 131769 156453 185761 203643 241791 248897 314721 373677 384659 469359 557283 573661 725373 746691 886567 1121031 1153977 1370149 1671849 1720983 2043371 2240073 2659701 3157937 3461931 4110447 4231249 5162949 6130113 6310271 7979103 9473811 9752237 12331341 12693747 15071639 18390339 18930813 22477081 28421433 29256711 34737307 38081241 45214917 53684929 56792439 67431243 87770133 104211921 107274607 135644751 161054787 165788029 202293729 247247891 312635763 321823821 382110377 483164361 497364087 590534219 741743673 965471463 1146331131 1492092261 1771602657 1823668319 2225231019 2719726801 3438993393 4203214147 5314807971 5471004957 6495876409 8159180403 12609642441 16413014871 19487629227 24477541209 37828927323 46235355617 58462887681 71454640499 138706066851 214363921497 416118200553 643091764491 786001045489 2358003136467 7074009409401