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20303310312132 = 223531631049186701
BaseRepresentation
bin1001001110111001110111…
…00110010101001011000100
32122212222101121022210221220
410213130323212111023010
510130122134414442012
6111103113442440340
74163602646106111
oct447347346251304
978788347283856
1020303310312132
116518649401891
12233ab016630b0
13b43794b95603
14502984ca1908
15253207e8308c
hex12773b9952c4

20303310312132 has 96 divisors (see below), whose sum is σ = 48610927612800. Its totient is φ = 6593013273600.

The previous prime is 20303310312127. The next prime is 20303310312247. The reversal of 20303310312132 is 23121301330302.

It is a super-2 number, since 2×203033103121322 (a number of 27 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 108654382 + ... + 108841082.

It is an arithmetic number, because the mean of its divisors is an integer number (506363829300).

Almost surely, 220303310312132 is an apocalyptic number.

It is an amenable number.

20303310312132 is an abundant number, since it is smaller than the sum of its proper divisors (28307617300668).

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

20303310312132 is a wasteful number, since it uses less digits than its factorization.

20303310312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187973 (or 187971 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20303310312132 its reverse (23121301330302), we get a palindrome (43424611642434).

The spelling of 20303310312132 in words is "twenty trillion, three hundred three billion, three hundred ten million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 53 106 159 163 212 318 326 489 636 652 978 1049 1956 2098 3147 4196 6294 8639 12588 17278 25917 34556 51834 55597 103668 111194 166791 170987 186701 222388 333582 341974 373402 512961 560103 667164 683948 746804 1025922 1120206 2051844 2240412 9062311 9895153 18124622 19790306 27186933 29685459 30432263 36249244 39580612 54373866 59370918 60864526 91296789 108747732 118741836 121729052 182593578 195849349 365187156 391698698 587548047 783397396 1175096094 1612909939 2350192188 3225819878 4838729817 6451639756 9677459634 10380015497 19354919268 20760030994 31140046491 31923443887 41520061988 62280092982 63846887774 95770331661 124560185964 127693775548 191540663322 383081326644 1691942526011 3383885052022 5075827578033 6767770104044 10151655156066 20303310312132