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31542143414 = 227115817437
BaseRepresentation
bin11101011000000011…
…101110100110110110
310000102020002220102212
4131120003232212312
51004044242042124
622253521333422
72164433536535
oct353003564666
9100366086385
1031542143414
1112416799221
126143497272
132c88a216b2
14175319c31c
15c491ea40e
hex7580ee9b6

31542143414 has 8 divisors (see below), whose sum is σ = 47330675568. Its totient is φ = 15765251560.

The previous prime is 31542143401. The next prime is 31542143429. The reversal of 31542143414 is 41434124513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×315421434142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903297 + ... + 2914140.

It is an arithmetic number, because the mean of its divisors is an integer number (5916334446).

Almost surely, 231542143414 is an apocalyptic number.

31542143414 is a deficient number, since it is larger than the sum of its proper divisors (15788532154).

31542143414 is a wasteful number, since it uses less digits than its factorization.

31542143414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820150.

The product of its digits is 23040, while the sum is 32.

Adding to 31542143414 its reverse (41434124513), we get a palindrome (72976267927).

The spelling of 31542143414 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 2711 5422 5817437 11634874 15771071707 31542143414