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5142256431 = 313383344263
BaseRepresentation
bin1001100101000000…
…01001101100101111
3111021101001200200220
410302200021230233
541012404201211
62210132222423
7241300313154
oct46240115457
914241050626
105142256431
1121a9740404
12bb616aa13
1363c478cb0
1436ad3222b
152016a6806
hex132809b2f

5142256431 has 16 divisors (see below), whose sum is σ = 7403053056. Its totient is φ = 3156194016.

The previous prime is 5142256369. The next prime is 5142256433. The reversal of 5142256431 is 1346522415.

It is not a de Polignac number, because 5142256431 - 227 = 5008038703 is a prime.

It is a super-2 number, since 2×51422564312 = 52885602404321715522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5142256392 and 5142256401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142256433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157195 + ... + 187068.

It is an arithmetic number, because the mean of its divisors is an integer number (462690816).

Almost surely, 25142256431 is an apocalyptic number.

5142256431 is a deficient number, since it is larger than the sum of its proper divisors (2260796625).

5142256431 is a wasteful number, since it uses less digits than its factorization.

5142256431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344662.

The product of its digits is 28800, while the sum is 33.

The square root of 5142256431 is about 71709.5281744344. The cubic root of 5142256431 is about 1726.0415392855.

Adding to 5142256431 its reverse (1346522415), we get a palindrome (6488778846).

The spelling of 5142256431 in words is "five billion, one hundred forty-two million, two hundred fifty-six thousand, four hundred thirty-one".

Divisors: 1 3 13 39 383 1149 4979 14937 344263 1032789 4475419 13426257 131852729 395558187 1714085477 5142256431