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20346630186292 = 2229336791471871
BaseRepresentation
bin1001010000001010100011…
…01010100010010100110100
32200001010012122022102122121
410220011101222202110310
510131324344311430132
6111135040214005324
74166665315005244
oct450052152422464
980033178272577
1020346630186292
116534a59339483
122347391346844
13b478a9998247
14504ad433db24
152543e1146497
hex128151aa2534

20346630186292 has 24 divisors (see below), whose sum is σ = 35729173896192. Its totient is φ = 10138296823200.

The previous prime is 20346630186287. The next prime is 20346630186293. The reversal of 20346630186292 is 29268103664302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346630186293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42883117 + ... + 43354987.

It is an arithmetic number, because the mean of its divisors is an integer number (1488715579008).

Almost surely, 220346630186292 is an apocalyptic number.

It is an amenable number.

20346630186292 is a deficient number, since it is larger than the sum of its proper divisors (15382543709900).

20346630186292 is a wasteful number, since it uses less digits than its factorization.

20346630186292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508959 (or 508957 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 20346630186292 in words is "twenty trillion, three hundred forty-six billion, six hundred thirty million, one hundred eighty-six thousand, two hundred ninety-two".

Divisors: 1 2 4 293 586 1172 36791 73582 147164 471871 943742 1887484 10779763 21559526 43119052 138258203 276516406 553032812 17360605961 34721211922 69442423844 5086657546573 10173315093146 20346630186292