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131434122442 = 279388151603
BaseRepresentation
bin111101001101000010…
…1011000110011001010
3110120020212111012202211
41322122011120303022
54123134113404232
6140214025215334
712332026415230
oct1723205306312
9416225435684
10131434122442
1150817154597
122158103154a
13c51803c7ac
14650bb40950
153643be8a47
hex1e9a158cca

131434122442 has 8 divisors (see below), whose sum is σ = 225315638496. Its totient is φ = 56328909612.

The previous prime is 131434122419. The next prime is 131434122461. The reversal of 131434122442 is 244221434131.

It is a happy number.

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

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, 4694075788 + ... + 4694075815.

It is an arithmetic number, because the mean of its divisors is an integer number (28164454812).

Almost surely, 2131434122442 is an apocalyptic number.

131434122442 is a deficient number, since it is larger than the sum of its proper divisors (93881516054).

131434122442 is an equidigital number, since it uses as much as digits as its factorization.

131434122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388151612.

The product of its digits is 18432, while the sum is 31.

Adding to 131434122442 its reverse (244221434131), we get a palindrome (375655556573).

The spelling of 131434122442 in words is "one hundred thirty-one billion, four hundred thirty-four million, one hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 7 14 9388151603 18776303206 65717061221 131434122442