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71354705631330 = 235112339723680471
BaseRepresentation
bin10000001110010110001111…
…111000011101100001100010
3100100122102222010021020022110
4100032112033320131201202
533323033414120200310
6411431522122420150
721013131060351102
oct2016261770354142
9310572863236273
1071354705631330
11208103a712a880
12800502a661656
1330a7948723ba4
14138982c697202
1583b17646bd20
hex40e58fe1d862

71354705631330 has 128 divisors (see below), whose sum is σ = 195433230422016. Its totient is φ = 16504340371200.

The previous prime is 71354705631289. The next prime is 71354705631331. The reversal of 71354705631330 is 3313650745317.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71354705631330.

It is not an unprimeable number, because it can be changed into a prime (71354705631331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8827006 + ... + 14853465.

It is an arithmetic number, because the mean of its divisors is an integer number (1526822112672).

Almost surely, 271354705631330 is an apocalyptic number.

71354705631330 is an abundant number, since it is smaller than the sum of its proper divisors (124078524790686).

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

71354705631330 is a wasteful number, since it uses less digits than its factorization.

71354705631330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23680912.

The product of its (nonzero) digits is 2381400, while the sum is 48.

The spelling of 71354705631330 in words is "seventy-one trillion, three hundred fifty-four billion, seven hundred five million, six hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 138 165 230 253 330 345 397 506 690 759 794 1191 1265 1518 1985 2382 2530 3795 3970 4367 5955 7590 8734 9131 11910 13101 18262 21835 26202 27393 43670 45655 54786 65505 91310 100441 131010 136965 200882 273930 301323 502205 602646 1004410 1506615 3013230 23680471 47360942 71041413 118402355 142082826 236804710 260485181 355207065 520970362 544650833 710414130 781455543 1089301666 1302425905 1562911086 1633952499 2604851810 2723254165 3267904998 3907277715 5446508330 5991159163 7814555430 8169762495 9401146987 11982318326 16339524990 17973477489 18802293974 28203440961 29955795815 35946954978 47005734935 56406881922 59911591630 89867387445 94011469870 103412616857 141017204805 179734774890 206825233714 216226380701 282034409610 310237850571 432452761402 517063084285 620475701142 648679142103 1034126168570 1081131903505 1297358284206 1551189252855 2162263807010 2378490187711 3102378505710 3243395710515 4756980375422 6486791421030 7135470563133 11892450938555 14270941126266 23784901877110 35677352815665 71354705631330