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4920811631 is a prime number
BaseRepresentation
bin1001001010100110…
…11010000001101111
3110200221101010112122
410211103122001233
540034211433011
62132142023155
7232641131411
oct44523320157
913627333478
104920811631
1120a574067a
12b53b77abb
13605623a78
1434976a9b1
151dc0133db
hex1254da06f

4920811631 has 2 divisors, whose sum is σ = 4920811632. Its totient is φ = 4920811630.

The previous prime is 4920811603. The next prime is 4920811657. The reversal of 4920811631 is 1361180294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4920811631 - 210 = 4920810607 is a prime.

It is a super-2 number, since 2×49208116312 = 48428774215569760322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4920811591 and 4920811600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4920811331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460405815 + 2460405816.

It is an arithmetic number, because the mean of its divisors is an integer number (2460405816).

Almost surely, 24920811631 is an apocalyptic number.

4920811631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4920811631 is an equidigital number, since it uses as much as digits as its factorization.

4920811631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4920811631 is about 70148.4969974411. The cubic root of 4920811631 is about 1700.9005183979.

The spelling of 4920811631 in words is "four billion, nine hundred twenty million, eight hundred eleven thousand, six hundred thirty-one".