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2859478031 is a prime number
BaseRepresentation
bin1010101001110000…
…0010110000001111
321101021121112102202
42222130002300033
521324011244111
61151424312115
7130601106434
oct25234026017
97337545382
102859478031
111238112193
1267977263b
13367553747
141d1aa7b8b
1511b087b3b
hexaa702c0f

2859478031 has 2 divisors, whose sum is σ = 2859478032. Its totient is φ = 2859478030.

The previous prime is 2859478003. The next prime is 2859478057. The reversal of 2859478031 is 1308749582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2859478031 - 222 = 2855283727 is a prime.

It is a super-2 number, since 2×28594780312 = 16353229219543273922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2859478231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429739015 + 1429739016.

It is an arithmetic number, because the mean of its divisors is an integer number (1429739016).

Almost surely, 22859478031 is an apocalyptic number.

2859478031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859478031 is an equidigital number, since it uses as much as digits as its factorization.

2859478031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2859478031 is about 53474.0874723450. The cubic root of 2859478031 is about 1419.3698902114.

The spelling of 2859478031 in words is "two billion, eight hundred fifty-nine million, four hundred seventy-eight thousand, thirty-one".