Search a number
-
+
200012001111220 = 225169716033367561
BaseRepresentation
bin101101011110100011101100…
…010001101110110010110100
3222020011221221020211200020011
4231132203230101232302310
5202203444034241024340
61545220124514550004
760062250562140124
oct5536435421566264
9866157836750204
10200012001111220
1158803682363891
121a5237ba598304
13877b08772241c
1437568bd850c84
15181cb8797e0ea
hexb5e8ec46ecb4

200012001111220 has 48 divisors (see below), whose sum is σ = 420300069226128. Its totient is φ = 79952451010560.

The previous prime is 200012001111217. The next prime is 200012001111239. The reversal of 200012001111220 is 22111100210002.

It can be written as a sum of positive squares in 8 ways, for example, as 5189475353764 + 194822525757456 = 2278042^2 + 13957884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200012001111220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543976240 + ... + 544343800.

It is an arithmetic number, because the mean of its divisors is an integer number (8756251442211).

Almost surely, 2200012001111220 is an apocalyptic number.

200012001111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012001111220 is an abundant number, since it is smaller than the sum of its proper divisors (220288068114908).

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

200012001111220 is a wasteful number, since it uses less digits than its factorization.

200012001111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385300 (or 385298 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200012001111220 its reverse (22111100210002), we get a palindrome (222123101321222).

The spelling of 200012001111220 in words is "two hundred trillion, twelve billion, one million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1697 3394 6788 8485 16033 16970 32066 33940 64132 80165 160330 320660 367561 735122 1470244 1837805 3675610 7351220 27208001 54416002 108832004 136040005 272080010 544160020 623751017 1247502034 2495004068 3118755085 5893105513 6237510170 11786211026 12475020340 23572422052 29465527565 58931055130 117862110260 10000600055561 20001200111122 40002400222244 50003000277805 100006000555610 200012001111220