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8158028053 = 74632517133
BaseRepresentation
bin1111001100100000…
…11010000100010101
3210001112202202122011
413212100122010111
5113201423344203
63425302504221
7406110044230
oct74620320425
923045682564
108158028053
113506aa324a
1216b8135071
13a001c3146
14575682417
1532b31376d
hex1e641a115

8158028053 has 8 divisors (see below), whose sum is σ = 9343601408. Its totient is φ = 6977489904.

The previous prime is 8158028041. The next prime is 8158028113. The reversal of 8158028053 is 3508208518.

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

It is not a de Polignac number, because 8158028053 - 221 = 8155930901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8158027997 and 8158028015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158028003) 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, 1255326 + ... + 1261807.

It is an arithmetic number, because the mean of its divisors is an integer number (1167950176).

Almost surely, 28158028053 is an apocalyptic number.

It is an amenable number.

8158028053 is a deficient number, since it is larger than the sum of its proper divisors (1185573355).

8158028053 is a wasteful number, since it uses less digits than its factorization.

8158028053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517603.

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

The square root of 8158028053 is about 90321.8027554809. The cubic root of 8158028053 is about 2013.0832323104.

The spelling of 8158028053 in words is "eight billion, one hundred fifty-eight million, twenty-eight thousand, fifty-three".

Divisors: 1 7 463 3241 2517133 17619931 1165432579 8158028053