Search a number
-
+
156893057401 = 1032389637603
BaseRepresentation
bin1001001000011110001…
…1100001000101111001
3112222222010222002222211
42102013203201011321
510032304110314101
6200024202415121
714222645661343
oct2220743410571
9488863862884
10156893057401
11605a104a203
12264a72014a1
1311a44680852
147845030293
154133d21c51
hex24878e1179

156893057401 has 8 divisors (see below), whose sum is σ = 158482850240. Its totient is φ = 155304544752.

The previous prime is 156893057393. The next prime is 156893057471. The reversal of 156893057401 is 104750398651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156893057401 - 23 = 156893057393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156893057471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72735 + ... + 564868.

It is an arithmetic number, because the mean of its divisors is an integer number (19810356280).

Almost surely, 2156893057401 is an apocalyptic number.

It is an amenable number.

156893057401 is a deficient number, since it is larger than the sum of its proper divisors (1589792839).

156893057401 is a wasteful number, since it uses less digits than its factorization.

156893057401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640095.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 156893057401 in words is "one hundred fifty-six billion, eight hundred ninety-three million, fifty-seven thousand, four hundred one".

Divisors: 1 103 2389 246067 637603 65673109 1523233567 156893057401