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20202312302103 = 3591071995639521
BaseRepresentation
bin1001001011111101101111…
…01001011111111000010111
32122112022200212202022022210
410211332313221133320113
510121443313422131403
6110544451504524503
74153366063145301
oct445766751377027
978468625668283
1020202312302103
116489830692008
122323415620733
13b370ba6946b9
144dbb23490971
1525079630bb03
hex125fb7a5fe17

20202312302103 has 64 divisors (see below), whose sum is σ = 27840195072000. Its totient is φ = 13025737105920.

The previous prime is 20202312302083. The next prime is 20202312302111. The reversal of 20202312302103 is 30120321320202.

It is a happy number.

It is not a de Polignac number, because 20202312302103 - 225 = 20202278747671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20202312302103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202312302153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2121863983 + ... + 2121873503.

It is an arithmetic number, because the mean of its divisors is an integer number (435003048000).

Almost surely, 220202312302103 is an apocalyptic number.

20202312302103 is a deficient number, since it is larger than the sum of its proper divisors (7637882769897).

20202312302103 is a wasteful number, since it uses less digits than its factorization.

20202312302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20202312302103 its reverse (30120321320202), we get a palindrome (50322633622305).

The spelling of 20202312302103 in words is "twenty trillion, two hundred two billion, three hundred twelve million, three hundred two thousand, one hundred three".

Divisors: 1 3 59 107 177 199 321 563 597 1689 6313 9521 11741 18939 21293 28563 33217 35223 60241 63879 99651 112037 180723 336111 561739 1018747 1256287 1685217 1894679 3056241 3554219 3768861 5360323 5684037 6610183 10662657 11987959 16080969 19830549 35963877 60106073 111786061 180318219 202730653 316259057 335358183 573554561 608191959 707289581 948777171 1066704277 1720663683 2121868743 3200112831 11961108527 33839719099 35883325581 62935552343 101519157297 114137357639 188806657029 342412072917 6734104100701 20202312302103