Search a number
-
+
21203201010300 = 22352124097569533
BaseRepresentation
bin1001101001000110000010…
…10000111010101001111100
32210002000011112102210021020
410310203001100322221330
510234343123424312200
6113032341023304140
74315611041613321
oct464430120725174
983060145383236
1021203201010300
116835255227591
1224653a514b050
13baa5b7b0207a
14534351954b48
1526b825abdea0
hex1348c143aa7c

21203201010300 has 72 divisors (see below), whose sum is σ = 61348530328176. Its totient is φ = 5654131445760.

The previous prime is 21203201010293. The next prime is 21203201010389. The reversal of 21203201010300 is 301010230212.

It is a super-3 number, since 3×212032010103003 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 21203201010300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36944334 + ... + 37513866.

Almost surely, 221203201010300 is an apocalyptic number.

21203201010300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21203201010300 is an abundant number, since it is smaller than the sum of its proper divisors (40145329317876).

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

21203201010300 is a wasteful number, since it uses less digits than its factorization.

21203201010300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693647 (or 693640 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21203201010300 its reverse (301010230212), we get a palindrome (21504211240512).

The spelling of 21203201010300 in words is "twenty-one trillion, two hundred three billion, two hundred one million, ten thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 124097 248194 372291 496388 569533 620485 744582 1139066 1240970 1489164 1708599 1861455 2278132 2481940 2847665 3102425 3417198 3722910 5695330 6204850 6834396 7445820 8542995 9307275 11390660 12409700 14238325 17085990 18614550 28476650 34171980 37229100 42714975 56953300 85429950 170859900 70677336701 141354673402 212032010103 282709346804 353386683505 424064020206 706773367010 848128040412 1060160050515 1413546734020 1766933417525 2120320101030 3533866835050 4240640202060 5300800252575 7067733670100 10601600505150 21203201010300