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28150417117 = 239619127241
BaseRepresentation
bin11010001101111001…
…010100011011011101
32200122211222100122101
4122031321110123131
5430123001321432
620533201045101
72014410411634
oct321571243335
980584870571
1028150417117
1110a361a4039
125557626791
132868134764
14151094651b
15aeb5794e7
hex68de546dd

28150417117 has 8 divisors (see below), whose sum is σ = 29377632960. Its totient is φ = 26923475040.

The previous prime is 28150417103. The next prime is 28150417121. The reversal of 28150417117 is 71171405182.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28150417117 is a prime.

It is a super-2 number, since 2×281504171172 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150417417) 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, 157617 + ... + 284857.

It is an arithmetic number, because the mean of its divisors is an integer number (3672204120).

Almost surely, 228150417117 is an apocalyptic number.

It is an amenable number.

28150417117 is a deficient number, since it is larger than the sum of its proper divisors (1227215843).

28150417117 is a wasteful number, since it uses less digits than its factorization.

28150417117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136883.

The product of its (nonzero) digits is 15680, while the sum is 37.

The spelling of 28150417117 in words is "twenty-eight billion, one hundred fifty million, four hundred seventeen thousand, one hundred seventeen".

Divisors: 1 23 9619 127241 221237 2926543 1223931179 28150417117