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128004025031158 = 2250031255976309
BaseRepresentation
bin11101000110101101000010…
…011100010001100111110110
3121210020001202120222012112211
4131012231002130101213312
5113234204220401444113
61132124123131204034
735650662032332213
oct3506550234214766
9553201676865484
10128004025031158
1137871225087981
1212434054ba661a
13565695cb97973
1423875dc0dab0a
15ebea29b37b3d
hex746b427119f6

128004025031158 has 8 divisors (see below), whose sum is σ = 192006806225760. Its totient is φ = 64001756289240.

The previous prime is 128004025031143. The next prime is 128004025031161. The reversal of 128004025031158 is 851130520400821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 128004025031158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127488093 + ... + 128488216.

It is an arithmetic number, because the mean of its divisors is an integer number (24000850778220).

Almost surely, 2128004025031158 is an apocalyptic number.

128004025031158 is a deficient number, since it is larger than the sum of its proper divisors (64002781194602).

128004025031158 is a wasteful number, since it uses less digits than its factorization.

128004025031158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256226342.

The product of its (nonzero) digits is 76800, while the sum is 40.

Adding to 128004025031158 its reverse (851130520400821), we get a palindrome (979134545431979).

The spelling of 128004025031158 in words is "one hundred twenty-eight trillion, four billion, twenty-five million, thirty-one thousand, one hundred fifty-eight".

Divisors: 1 2 250031 500062 255976309 511952618 64002012515579 128004025031158