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213457192700 = 22524916616577
BaseRepresentation
bin1100011011001100001…
…0100100011011111100
3202101222012100220102212
43012303002210123330
511444130020131300
6242021052235552
721264445125653
oct3066302443374
9671865326385
10213457192700
1182588025264
123545246bbb8
131718a3386ab
14a48d45c19a
155844ad5935
hex31b30a46fc

213457192700 has 72 divisors (see below), whose sum is σ = 464918357904. Its totient is φ = 85067136000.

The previous prime is 213457192673. The next prime is 213457192703. The reversal of 213457192700 is 7291754312.

It is a happy number.

213457192700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213457192703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32451812 + ... + 32458388.

Almost surely, 2213457192700 is an apocalyptic number.

213457192700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213457192700 is an abundant number, since it is smaller than the sum of its proper divisors (251461165204).

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

213457192700 is a wasteful number, since it uses less digits than its factorization.

213457192700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743 (or 7736 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 213457192700 in words is "two hundred thirteen billion, four hundred fifty-seven million, one hundred ninety-two thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 491 661 982 1322 1964 2455 2644 3305 4910 6577 6610 9820 12275 13154 13220 16525 24550 26308 32885 33050 49100 65770 66100 131540 164425 324551 328850 649102 657700 1298204 1622755 3229307 3245510 4347397 6458614 6491020 8113775 8694794 12917228 16146535 16227550 17389588 21736985 32293070 32455100 43473970 64586140 80732675 86947940 108684925 161465350 217369850 322930700 434739700 2134571927 4269143854 8538287708 10672859635 21345719270 42691438540 53364298175 106728596350 213457192700