Search a number
-
+
16155142536 = 2331351779303
BaseRepresentation
bin11110000101110101…
…11110100110001000
31112200212202021100110
433002322332212020
5231041204030121
611231020434320
71111224305631
oct170272764610
945625667313
1016155142536
11694017a775
12316a3a89a0
1316a5c65a50
14ad37d8888
1564843dd76
hex3c2ebe988

16155142536 has 32 divisors (see below), whose sum is σ = 43494615360. Its totient is φ = 4970812992.

The previous prime is 16155142513. The next prime is 16155142537. The reversal of 16155142536 is 63524155161.

It is a super-2 number, since 2×161551425362 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 16155142494 and 16155142503.

It is not an unprimeable number, because it can be changed into a prime (16155142537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25889340 + ... + 25889963.

It is an arithmetic number, because the mean of its divisors is an integer number (1359206730).

Almost surely, 216155142536 is an apocalyptic number.

It is an amenable number.

16155142536 is an abundant number, since it is smaller than the sum of its proper divisors (27339472824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16155142536 is a wasteful number, since it uses less digits than its factorization.

16155142536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51779325 (or 51779321 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

Adding to 16155142536 its reverse (63524155161), we get a palindrome (79679297697).

The spelling of 16155142536 in words is "sixteen billion, one hundred fifty-five million, one hundred forty-two thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 51779303 103558606 155337909 207117212 310675818 414234424 621351636 673130939 1242703272 1346261878 2019392817 2692523756 4038785634 5385047512 8077571268 16155142536