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121000200704 = 291977316091
BaseRepresentation
bin111000010110000101…
…1001000101000000000
3102120022201020001220222
41300230023020220000
53440302022410304
6131330422122212
711512332510305
oct1605413105000
9376281201828
10121000200704
1147352505779
121b54a880368
13b5444949c6
145bdc1070ac
153232bc64be
hex1c2c2c8a00

121000200704 has 80 divisors (see below), whose sum is σ = 254833555680. Its totient is φ = 57238179840.

The previous prime is 121000200623. The next prime is 121000200707. The reversal of 121000200704 is 407002000121.

It is not an unprimeable number, because it can be changed into a prime (121000200707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7511699 + ... + 7527789.

It is an arithmetic number, because the mean of its divisors is an integer number (3185419446).

Almost surely, 2121000200704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121000200704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127416777840).

121000200704 is an abundant number, since it is smaller than the sum of its proper divisors (133833354976).

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

121000200704 is an equidigital number, since it uses as much as digits as its factorization.

121000200704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16901 (or 16885 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 121000200704 its reverse (407002000121), we get a palindrome (528002200825).

The spelling of 121000200704 in words is "one hundred twenty-one billion, two hundred thousand, seven hundred four".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 512 608 773 1216 1546 2432 3092 4864 6184 9728 12368 14687 16091 24736 29374 32182 49472 58748 64364 98944 117496 128728 197888 234992 257456 305729 395776 469984 514912 611458 939968 1029824 1222916 1879936 2059648 2445832 3759872 4119296 4891664 7519744 8238592 9783328 12438343 19566656 24876686 39133312 49753372 78266624 99506744 156533248 199013488 236328517 398026976 472657034 796053952 945314068 1592107904 1890628136 3184215808 3781256272 6368431616 7562512544 15125025088 30250050176 60500100352 121000200704