Search a number
-
+
1311321123932 = 221372392921759
BaseRepresentation
bin10011000101010000110…
…101000110110001011100
311122100202020001010200112
4103011100311012301130
5132441041201431212
62442225042345152
7163511521433531
oct23052065066134
94570666033615
101311321123932
11466145652166
1219218695b1b8
1396870707741
144767ad6ad88
152419cc97422
hex13150d46c5c

1311321123932 has 12 divisors (see below), whose sum is σ = 2311562420160. Its totient is φ = 650874718176.

The previous prime is 1311321123929. The next prime is 1311321123961. The reversal of 1311321123932 is 2393211231131.

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, 1196460332 + ... + 1196461427.

It is an arithmetic number, because the mean of its divisors is an integer number (192630201680).

Almost surely, 21311321123932 is an apocalyptic number.

It is an amenable number.

1311321123932 is a deficient number, since it is larger than the sum of its proper divisors (1000241296228).

1311321123932 is a wasteful number, since it uses less digits than its factorization.

1311321123932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392921900 (or 2392921898 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The spelling of 1311321123932 in words is "one trillion, three hundred eleven billion, three hundred twenty-one million, one hundred twenty-three thousand, nine hundred thirty-two".

Divisors: 1 2 4 137 274 548 2392921759 4785843518 9571687036 327830280983 655660561966 1311321123932