Search a number
-
+
1311423250142 = 21771761713873
BaseRepresentation
bin10011000101010110111…
…010101011111011011110
311122101000100012200111202
4103011112322223323132
5132441243323001032
62442243131315502
7163514201462555
oct23052672537336
94571010180452
101311423250142
11466198266095
121921b4babb92
1396888913c55
144768a752d9c
15241a6c1bd62
hex13156eabede

1311423250142 has 32 divisors (see below), whose sum is σ = 2114963089344. Its totient is φ = 607647846400.

The previous prime is 1311423250139. The next prime is 1311423250153. The reversal of 1311423250142 is 2410523241131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1480118 + ... + 2193990.

It is an arithmetic number, because the mean of its divisors is an integer number (66092596542).

Almost surely, 21311423250142 is an apocalyptic number.

1311423250142 is a deficient number, since it is larger than the sum of its proper divisors (803539839202).

1311423250142 is a wasteful number, since it uses less digits than its factorization.

1311423250142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714724.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1311423250142 its reverse (2410523241131), we get a palindrome (3721946491273).

The spelling of 1311423250142 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, two hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 17 34 71 142 761 1207 1522 2414 12937 25874 54031 108062 713873 918527 1427746 1837054 12135841 24271682 50684983 101369966 543257353 861644711 1086514706 1723289422 9235375001 18470750002 38571272063 77142544126 655711625071 1311423250142