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20848183321 = 72206272
BaseRepresentation
bin10011011010101001…
…100000100000011001
31222210221112110000211
4103122221200200121
5320144113331241
613324424531121
71335431430400
oct233251404031
958727473024
1020848183321
11892928a779
12405a020aa1
131c7332b064
14101abd4637
1582045e781
hex4daa60819

20848183321 has 9 divisors (see below), whose sum is σ = 24253144149. Its totient is φ = 17869005084.

The previous prime is 20848183309. The next prime is 20848183327. The reversal of 20848183321 is 12338184802.

It is a happy number.

The square root of 20848183321 is 144389.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 20848183321 - 219 = 20847659033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20848183327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1000410 + ... + 1021036.

Almost surely, 220848183321 is an apocalyptic number.

20848183321 is the 144389-th square number.

20848183321 is the 72195-th centered octagonal number.

It is an amenable number.

20848183321 is a deficient number, since it is larger than the sum of its proper divisors (3404960828).

20848183321 is an frugal number, since it uses more digits than its factorization.

20848183321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41268 (or 20634 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 20848183321 in words is "twenty billion, eight hundred forty-eight million, one hundred eighty-three thousand, three hundred twenty-one".

Divisors: 1 7 49 20627 144389 1010723 425473129 2978311903 20848183321