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131142323846 = 2169738639459
BaseRepresentation
bin111101000100010110…
…0010000111010000110
3110112111112102022100102
41322020230100322012
54122034413330341
6140125043044102
712321554234402
oct1721054207206
9415445368312
10131142323846
1150687471a26
12214bb370632
13c49c7539c1
1464c10a4102
1536282a9c9b
hex1e88b10e86

131142323846 has 8 divisors (see below), whose sum is σ = 196829409240. Its totient is φ = 65532520768.

The previous prime is 131142323801. The next prime is 131142323863. The reversal of 131142323846 is 648323241131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19316336 + ... + 19323123.

It is an arithmetic number, because the mean of its divisors is an integer number (24603676155).

Almost surely, 2131142323846 is an apocalyptic number.

131142323846 is a deficient number, since it is larger than the sum of its proper divisors (65687085394).

131142323846 is a wasteful number, since it uses less digits than its factorization.

131142323846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38641158.

The product of its digits is 82944, while the sum is 38.

Adding to 131142323846 its reverse (648323241131), we get a palindrome (779465564977).

The spelling of 131142323846 in words is "one hundred thirty-one billion, one hundred forty-two million, three hundred twenty-three thousand, eight hundred forty-six".

Divisors: 1 2 1697 3394 38639459 77278918 65571161923 131142323846