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202121200330112 = 2771791260232943
BaseRepresentation
bin101101111101010000000010…
…010110001110010110000000
3222111122121010222021121101202
4231331100002112032112000
5202443023204241030422
61553513110402120332
760400526523526640
oct5575200226162600
9874577128247352
10202121200330112
1159447135330008
121a8045390500a8
1388a1c415b90cb
1437caa0add4520
1518579825c5b92
hexb7d40258e580

202121200330112 has 64 divisors (see below), whose sum is σ = 462757537036800. Its totient is φ = 86139442051584.

The previous prime is 202121200330057. The next prime is 202121200330177. The reversal of 202121200330112 is 211033002121202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629956088 + ... + 630276855.

It is an arithmetic number, because the mean of its divisors is an integer number (7230586516200).

Almost surely, 2202121200330112 is an apocalyptic number.

It is an amenable number.

202121200330112 is an abundant number, since it is smaller than the sum of its proper divisors (260636336706688).

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

202121200330112 is a wasteful number, since it uses less digits than its factorization.

202121200330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260233143 (or 1260233131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202121200330112 its reverse (211033002121202), we get a palindrome (413154202451314).

The spelling of 202121200330112 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred million, three hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 179 224 358 448 716 896 1253 1432 2506 2864 5012 5728 10024 11456 20048 22912 40096 80192 160384 1260232943 2520465886 5040931772 8821630601 10081863544 17643261202 20163727088 35286522404 40327454176 70573044808 80654908352 141146089616 161309816704 225581696797 282292179232 451163393594 564584358464 902326787188 1129168716928 1579071877579 1804653574376 3158143755158 3609307148752 6316287510316 7218614297504 12632575020632 14437228595008 25265150041264 28874457190016 50530300082528 101060600165056 202121200330112