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3212131021000 = 235311292011911
BaseRepresentation
bin101110101111100001111…
…011011011000011001000
3102101002001221012200022121
4232233201323123003020
5410111421020133000
610455344351301024
7451032413120206
oct56574173330310
912332057180277
103212131021000
111029291248570
1243a64821a774
131a3b97198cc5
14b167a180076
155884cbb9b1a
hex2ebe1edb0c8

3212131021000 has 64 divisors (see below), whose sum is σ = 8199694488960. Its totient is φ = 1168047640000.

The previous prime is 3212131020953. The next prime is 3212131021039. The reversal of 3212131021000 is 1201312123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145994956 + ... + 146016955.

It is an arithmetic number, because the mean of its divisors is an integer number (128120226390).

Almost surely, 23212131021000 is an apocalyptic number.

It is an amenable number.

3212131021000 is an abundant number, since it is smaller than the sum of its proper divisors (4987563467960).

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

3212131021000 is a wasteful number, since it uses less digits than its factorization.

3212131021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292011943 (or 292011929 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3212131021000 its reverse (1201312123), we get a palindrome (3213332333123).

The spelling of 3212131021000 in words is "three trillion, two hundred twelve billion, one hundred thirty-one million, twenty-one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 292011911 584023822 1168047644 1460059555 2336095288 2920119110 3212131021 5840238220 6424262042 7300297775 11680476440 12848524084 14600595550 16060655105 25697048168 29201191100 32121310210 36501488875 58402382200 64242620420 73002977750 80303275525 128485240840 146005955500 160606551050 292011911000 321213102100 401516377625 642426204200 803032755250 1606065510500 3212131021000