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142342331441 = 31107109393697
BaseRepresentation
bin1000010010010001000…
…0111001110000110001
3111121102002012122102112
42010210100321300301
54313004114101231
6145220254055105
713166242565642
oct2044420716061
9447362178375
10142342331441
1155404598452
12237061aa495
1310565c38c2b
146c647596c9
153a816a592b
hex2124439c31

142342331441 has 16 divisors (see below), whose sum is σ = 149668231680. Its totient is φ = 135210954240.

The previous prime is 142342331419. The next prime is 142342331459. The reversal of 142342331441 is 144133243241.

It is a cyclic number.

It is not a de Polignac number, because 142342331441 - 226 = 142275222577 is a prime.

It is a super-2 number, since 2×1423423314412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142342331398 and 142342331407.

It is not an unprimeable number, because it can be changed into a prime (142342331041) 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, 164705 + ... + 558401.

It is an arithmetic number, because the mean of its divisors is an integer number (9354264480).

Almost surely, 2142342331441 is an apocalyptic number.

It is an amenable number.

142342331441 is a deficient number, since it is larger than the sum of its proper divisors (7325900239).

142342331441 is a wasteful number, since it uses less digits than its factorization.

142342331441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393944.

The product of its digits is 27648, while the sum is 32.

Adding to 142342331441 its reverse (144133243241), we get a palindrome (286475574682).

The spelling of 142342331441 in words is "one hundred forty-two billion, three hundred forty-two million, three hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 31 107 109 3317 3379 11663 361553 393697 12204607 42125579 42912973 1305892949 1330302163 4591688111 142342331441