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202021000212 = 223128891306159
BaseRepresentation
bin1011110000100101100…
…0111101010000010100
3201022110012011010121010
42330021120331100110
511302214334001322
6232450203052220
720411161111623
oct2741130752024
9638405133533
10202021000212
1178749651609
12331a0511070
1316086c39ca5
149ac66856ba
1553c5ad420c
hex2f0963d414

202021000212 has 24 divisors (see below), whose sum is σ = 471419267200. Its totient is φ = 67335057216.

The previous prime is 202021000201. The next prime is 202021000243. The reversal of 202021000212 is 212000120202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498412 + ... + 807747.

Almost surely, 2202021000212 is an apocalyptic number.

It is an amenable number.

202021000212 is an abundant number, since it is smaller than the sum of its proper divisors (269398266988).

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

202021000212 is a wasteful number, since it uses less digits than its factorization.

202021000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319055 (or 1319053 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202021000212 its reverse (212000120202), we get a palindrome (414021120414).

The spelling of 202021000212 in words is "two hundred two billion, twenty-one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 12889 25778 38667 51556 77334 154668 1306159 2612318 3918477 5224636 7836954 15673908 16835083351 33670166702 50505250053 67340333404 101010500106 202021000212