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71446953916900 = 2252292291472
BaseRepresentation
bin10000001111101100001010…
…010011101111100111100100
3100100222021002001200200102201
4100033230022103233213210
533331041330200320100
6411542135535344244
721022605060011062
oct2017541223574744
9310867061620381
1071446953916900
1120846534960111
12801aa94382084
1330b355a282753
1413900a0001032
1583d774da236a
hex40fb0a4ef9e4

71446953916900 has 81 divisors (see below), whose sum is σ = 160575954110299. Its totient is φ = 27592359645760.

The previous prime is 71446953916867. The next prime is 71446953916903. The reversal of 71446953916900 is 961935964417.

The square root of 71446953916900 is 8452630.

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

It can be written as a sum of positive squares in 4 ways, for example, as 982077036004 + 70464876880896 = 990998^2 + 8394336^2 .

It is a super-2 number, since 2×714469539169002 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71446953916903) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2451248127 + ... + 2451277273.

Almost surely, 271446953916900 is an apocalyptic number.

71446953916900 is the 8452630-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71446953916900

71446953916900 is an abundant number, since it is smaller than the sum of its proper divisors (89129000193399).

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

71446953916900 is an frugal number, since it uses more digits than its factorization.

71446953916900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58366 (or 29183 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 71446953916900 in words is "seventy-one trillion, four hundred forty-six billion, nine hundred fifty-three million, nine hundred sixteen thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 841 1450 1682 2900 3364 4205 8410 16820 21025 29147 42050 58294 84100 116588 145735 291470 582940 728675 845263 1457350 1690526 2914700 3381052 4226315 8452630 16905260 21131575 24512627 42263150 49025254 84526300 98050508 122563135 245126270 490252540 612815675 849547609 1225631350 1699095218 2451262700 3398190436 4247738045 8495476090 16990952180 21238690225 24636880661 42477380450 49273761322 84954760900 98547522644 123184403305 246368806610 492737613220 615922016525 714469539169 1231844033050 1428939078338 2463688066100 2857878156676 3572347695845 7144695391690 14289390783380 17861738479225 35723476958450 71446953916900