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4978924031 is a prime number
BaseRepresentation
bin1001010001100010…
…00101100111111111
3110211222201112202202
410220301011213333
540144101032111
62142015342115
7234245104334
oct45061054777
913758645682
104978924031
112125522354
12b6b52193b
1361468c7c3
1435337698b
151e2191b3b
hex128c459ff

4978924031 has 2 divisors, whose sum is σ = 4978924032. Its totient is φ = 4978924030.

The previous prime is 4978924019. The next prime is 4978924091. The reversal of 4978924031 is 1304298794.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4978924031 is a prime.

It is a super-2 number, since 2×49789240312 = 49579369012938577922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4978924001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489462015 + 2489462016.

It is an arithmetic number, because the mean of its divisors is an integer number (2489462016).

Almost surely, 24978924031 is an apocalyptic number.

4978924031 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978924031 is an equidigital number, since it uses as much as digits as its factorization.

4978924031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 4978924031 is about 70561.4911336205. The cubic root of 4978924031 is about 1707.5699362337.

The spelling of 4978924031 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, thirty-one".