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83952237769 is a prime number
BaseRepresentation
bin100111000101111110…
…0010111110011001001
322000200202221112222121
41032023330113303021
52333413233102034
6102322255451241
76031262150461
oct1161374276311
9260622845877
1083952237769
1132670938894
121432b526b21
137bbbba284a
1440c5a18ba1
1522b545c1b4
hex138bf17cc9

83952237769 has 2 divisors, whose sum is σ = 83952237770. Its totient is φ = 83952237768.

The previous prime is 83952237709. The next prime is 83952237791. The reversal of 83952237769 is 96773225938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59103444544 + 24848793225 = 243112^2 + 157635^2 .

It is a cyclic number.

It is not a de Polignac number, because 83952237769 - 217 = 83952106697 is a prime.

It is a super-2 number, since 2×839522377692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83952237709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41976118884 + 41976118885.

It is an arithmetic number, because the mean of its divisors is an integer number (41976118885).

Almost surely, 283952237769 is an apocalyptic number.

It is an amenable number.

83952237769 is a deficient number, since it is larger than the sum of its proper divisors (1).

83952237769 is an equidigital number, since it uses as much as digits as its factorization.

83952237769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 61.

The spelling of 83952237769 in words is "eighty-three billion, nine hundred fifty-two million, two hundred thirty-seven thousand, seven hundred sixty-nine".