Search a number
-
+
1352431202161 = 13377197408263
BaseRepresentation
bin10011101011100011001…
…011100110111101110001
311210021212020220111020111
4103223203023212331301
5134124234341432121
62513144234141321
7166465335354154
oct23534313467561
94707766814214
101352431202161
11481621179426
1219a13a581841
139a6c2759010
144965ab3bc9b
15252a6e562e1
hex13ae32e6f71

1352431202161 has 32 divisors (see below), whose sum is σ = 1532538137088. Its totient is φ = 1185200916480.

The previous prime is 1352431202159. The next prime is 1352431202219. The reversal of 1352431202161 is 1612021342531.

It is a cyclic number.

It is not a de Polignac number, because 1352431202161 - 21 = 1352431202159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352431202141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3108516 + ... + 3516778.

It is an arithmetic number, because the mean of its divisors is an integer number (47891816784).

Almost surely, 21352431202161 is an apocalyptic number.

It is an amenable number.

1352431202161 is a deficient number, since it is larger than the sum of its proper divisors (180106934927).

1352431202161 is a wasteful number, since it uses less digits than its factorization.

1352431202161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408481.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1352431202161 its reverse (1612021342531), we get a palindrome (2964452544692).

The spelling of 1352431202161 in words is "one trillion, three hundred fifty-two billion, four hundred thirty-one million, two hundred two thousand, one hundred sixty-one".

Divisors: 1 13 37 71 97 481 923 1261 2627 3589 6887 34151 46657 89531 254819 408263 3312647 5307419 15105731 28986673 39601511 196374503 376826749 514819643 1072506901 1465255907 2811707281 13942589713 19048326791 36552194653 104033169397 1352431202161