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20423112320130 = 2351352366954667
BaseRepresentation
bin1001010010011001000000…
…10110101110010010000010
32200022102121210221101111020
410221030200112232102002
510134103013223221010
6111234125343330310
74205343522266262
oct451144026562202
980272553841436
1020423112320130
116564436525653
12235a176bb0996
13b51b78049640
145086abbc97a2
152563ba879470
hex1293205ae482

20423112320130 has 32 divisors (see below), whose sum is σ = 52785890305344. Its totient is φ = 5027227647936.

The previous prime is 20423112320119. The next prime is 20423112320201. The reversal of 20423112320130 is 3102321132402.

It is a self number, because there is not a number n which added to its sum of digits gives 20423112320130.

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 15 ways as a sum of consecutive naturals, for example, 26183476944 + ... + 26183477723.

It is an arithmetic number, because the mean of its divisors is an integer number (1649559072042).

Almost surely, 220423112320130 is an apocalyptic number.

20423112320130 is an abundant number, since it is smaller than the sum of its proper divisors (32362777985214).

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

20423112320130 is a wasteful number, since it uses less digits than its factorization.

20423112320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52366954690.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20423112320130 its reverse (3102321132402), we get a palindrome (23525433452532).

The spelling of 20423112320130 in words is "twenty trillion, four hundred twenty-three billion, one hundred twelve million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 52366954667 104733909334 157100864001 261834773335 314201728002 523669546670 680770410671 785504320005 1361540821342 1571008640010 2042311232013 3403852053355 4084622464026 6807704106710 10211556160065 20423112320130