Search a number
-
+
21467153706530 = 25743115120872969
BaseRepresentation
bin1001110000110001101100…
…00100100010111000100010
32211000020110212000001101112
410320120312010202320202
510303204212322102110
6113353512501503322
74343644036533620
oct470306604427042
984006425001345
1021467153706530
11692719468aa44
1224a858a411b42
13bc9461749a1c
14543031448510
152736237c5405
hex138636122e22

21467153706530 has 128 divisors (see below), whose sum is σ = 45264173137920. Its totient is φ = 7176894681600.

The previous prime is 21467153706529. The next prime is 21467153706553. The reversal of 21467153706530 is 3560735176412.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7230430886 + ... + 7230433854.

It is an arithmetic number, because the mean of its divisors is an integer number (353626352640).

Almost surely, 221467153706530 is an apocalyptic number.

21467153706530 is an abundant number, since it is smaller than the sum of its proper divisors (23797019431390).

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

21467153706530 is a wasteful number, since it uses less digits than its factorization.

21467153706530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 21467153706530 in words is "twenty-one trillion, four hundred sixty-seven billion, one hundred fifty-three million, seven hundred six thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 430 602 1151 1505 2087 2302 2969 3010 4174 5755 5938 8057 10435 11510 14609 14845 16114 20783 20870 29218 29690 40285 41566 49493 73045 80570 89741 98986 103915 127667 146090 179482 207830 247465 255334 346451 448705 494930 628187 638335 692902 893669 897410 1256374 1276670 1732255 1787338 2402137 3140935 3417319 3464510 4468345 4804274 6196303 6281870 6834638 8936690 12010685 12392606 16814959 17086595 23921233 24021370 30981515 33629918 34173190 43374121 47842466 61963030 84074795 86748242 103291891 119606165 146944717 168149590 206583782 216870605 239212330 266441029 293889434 433741210 516459455 532882058 723043237 734723585 1028613019 1032918910 1332205145 1446086474 1469447170 1865087203 2057226038 2664410290 3615216185 3730174406 5143065095 7131944753 7230432370 9325436015 10286130190 14263889506 18650872030 35659723765 49923613271 71319447530 99847226542 249618066355 306673624379 499236132710 613347248758 1533368121895 2146715370653 3066736243790 4293430741306 10733576853265 21467153706530