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2978614231 is a prime number
BaseRepresentation
bin1011000110001010…
…0000101111010111
321200120210021120121
42301202200233113
522100011123411
61211322012411
7133545542335
oct26142405727
97616707517
102978614231
111299393a5a
126b1647107
13386137438
1420383ab55
1512676c571
hexb18a0bd7

2978614231 has 2 divisors, whose sum is σ = 2978614232. Its totient is φ = 2978614230.

The previous prime is 2978614159. The next prime is 2978614259. The reversal of 2978614231 is 1324168792.

2978614231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2978614231 - 213 = 2978606039 is a prime.

It is a super-2 number, since 2×29786142312 = 17744285474231442722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978614271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489307115 + 1489307116.

It is an arithmetic number, because the mean of its divisors is an integer number (1489307116).

Almost surely, 22978614231 is an apocalyptic number.

2978614231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978614231 is an equidigital number, since it uses as much as digits as its factorization.

2978614231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 2978614231 is about 54576.6821179155. The cubic root of 2978614231 is about 1438.8143260534.

The spelling of 2978614231 in words is "two billion, nine hundred seventy-eight million, six hundred fourteen thousand, two hundred thirty-one".