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20310524100642 = 233385087350107
BaseRepresentation
bin1001001111000111010011…
…00100110000000000100010
32122220200000100100020110010
410213203221210300000202
510130231423132210032
6111110305335145350
74164246502231356
oct447435144600042
978820010306403
1020310524100642
1165207103a6976
122340395515256
13b44374572919
1450306ad8d466
152534cb42bccc
hex1278e9930022

20310524100642 has 8 divisors (see below), whose sum is σ = 40621048201296. Its totient is φ = 6770174700212.

The previous prime is 20310524100631. The next prime is 20310524100661. The reversal of 20310524100642 is 24600142501302.

It is a sphenic number, since it is the product of 3 distinct primes.

20310524100642 is an admirable number.

It is a super-3 number, since 3×203105241006423 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1692543675048 + ... + 1692543675059.

It is an arithmetic number, because the mean of its divisors is an integer number (5077631025162).

Almost surely, 220310524100642 is an apocalyptic number.

20310524100642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20310524100642 is a wasteful number, since it uses less digits than its factorization.

20310524100642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385087350112.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20310524100642 its reverse (24600142501302), we get a palindrome (44910666601944).

The spelling of 20310524100642 in words is "twenty trillion, three hundred ten billion, five hundred twenty-four million, one hundred thousand, six hundred forty-two".

Divisors: 1 2 3 6 3385087350107 6770174700214 10155262050321 20310524100642