Search a number
-
+
158195016087 = 3239401550211
BaseRepresentation
bin1001001101010100101…
…0000110000110010111
3120010022212211110112220
42103111022012012113
510042440411003322
6200401312113423
714300135310303
oct2232512060627
9503285743486
10158195016087
11610a9a65019
12267ab235873
1311bc13231c4
147929d00d03
1541ad29c55c
hex24d5286197

158195016087 has 16 divisors (see below), whose sum is σ = 212337815040. Its totient is φ = 104759984000.

The previous prime is 158195016061. The next prime is 158195016121. The reversal of 158195016087 is 780610591851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-158195016087 is a prime.

It is a super-2 number, since 2×1581950160872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158195016887) 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 15 ways as a sum of consecutive naturals, for example, 12412 + ... + 562622.

It is an arithmetic number, because the mean of its divisors is an integer number (13271113440).

Almost surely, 2158195016087 is an apocalyptic number.

158195016087 is a deficient number, since it is larger than the sum of its proper divisors (54142798953).

158195016087 is a wasteful number, since it uses less digits than its factorization.

158195016087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550854.

The product of its (nonzero) digits is 604800, while the sum is 51.

The spelling of 158195016087 in words is "one hundred fifty-eight billion, one hundred ninety-five million, sixteen thousand, eighty-seven".

Divisors: 1 3 239 401 717 1203 95839 287517 550211 1650633 131500429 220634611 394501287 661903833 52731672029 158195016087