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20010031321132 = 2231729535343983
BaseRepresentation
bin1001000110010111100101…
…10011110001000000101100
32121211221101111011102022001
410203023302303301000230
510110321021004234012
6110320252000102044
74133451141604036
oct443136263610054
977757344142261
1020010031321132
116415230025086
1222b20b3004924
13b21c26619608
144d26c2614c56
1524a79087e357
hex1232f2cf102c

20010031321132 has 24 divisors (see below), whose sum is σ = 35139922566336. Its totient is φ = 9970074834048.

The previous prime is 20010031321121. The next prime is 20010031321157. The reversal of 20010031321132 is 23112313001002.

It is a super-2 number, since 2×200100313211322 (a number of 27 digits) contains 22 as substring.

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, 1072413 + ... + 6416395.

It is an arithmetic number, because the mean of its divisors is an integer number (1464163440264).

Almost surely, 220010031321132 is an apocalyptic number.

It is an amenable number.

20010031321132 is a deficient number, since it is larger than the sum of its proper divisors (15129891245204).

20010031321132 is a wasteful number, since it uses less digits than its factorization.

20010031321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347257 (or 5347255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20010031321132 its reverse (23112313001002), we get a palindrome (43122344322134).

The spelling of 20010031321132 in words is "twenty trillion, ten billion, thirty-one million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 317 634 1268 2953 5906 11812 936101 1872202 3744404 5343983 10687966 21375932 1694042611 3388085222 6776170444 15780781799 31561563598 63123127196 5002507830283 10005015660566 20010031321132