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20734160323 = 131197380221
BaseRepresentation
bin10011010011110110…
…100010110111000011
31222111222222110212211
4103103312202313003
5314430421112243
613305233002551
71332545312002
oct232366426703
958458873784
1020734160323
11887a990598
1240279b3457
131c55817826
1410099d2c39
15815439d9d
hex4d3da2dc3

20734160323 has 8 divisors (see below), whose sum is σ = 20903286096. Its totient is φ = 20565199200.

The previous prime is 20734160303. The next prime is 20734160339. The reversal of 20734160323 is 32306143702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20734160323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20734160303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218353 + ... + 298573.

It is an arithmetic number, because the mean of its divisors is an integer number (2612910762).

Almost surely, 220734160323 is an apocalyptic number.

20734160323 is a deficient number, since it is larger than the sum of its proper divisors (169125773).

20734160323 is a wasteful number, since it uses less digits than its factorization.

20734160323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82325.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 20734160323 in words is "twenty billion, seven hundred thirty-four million, one hundred sixty thousand, three hundred twenty-three".

Divisors: 1 131 1973 80221 258463 10508951 158276033 20734160323