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158216254560 = 253357131273169
BaseRepresentation
bin1001001101011001101…
…1000111010001100000
3120010101100210111021000
42103112123013101200
510043011330121220
6200403351232000
714300513655120
oct2232633072140
9503340714230
10158216254560
116110aa50881
12267b6378600
1311bc584b250
14792ca6cc80
1541b0095390
hex24d66c7460

158216254560 has 768 divisors, whose sum is σ = 687130214400. Its totient is φ = 33108590592.

The previous prime is 158216254543. The next prime is 158216254561. The reversal of 158216254560 is 65452612851.

158216254560 is a `hidden beast` number, since 1 + 5 + 8 + 21 + 62 + 5 + 4 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158216254561) 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 127 ways as a sum of consecutive naturals, for example, 49924656 + ... + 49927824.

It is an arithmetic number, because the mean of its divisors is an integer number (894700800).

Almost surely, 2158216254560 is an apocalyptic number.

158216254560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158216254560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343565107200).

158216254560 is an abundant number, since it is smaller than the sum of its proper divisors (528913959840).

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

158216254560 is a wasteful number, since it uses less digits than its factorization.

158216254560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 158216254560 in words is "one hundred fifty-eight billion, two hundred sixteen million, two hundred fifty-four thousand, five hundred sixty".