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28018414714836 = 2237131913099103093
BaseRepresentation
bin1100101111011100010111…
…01001111111111111010100
310200012112102111101100100110
412113232023221333333110
512133023203131333321
6135331252041243020
75621156302362330
oct627561351777724
9120175374340313
1028018414714836
118a225a7739067
1231861a6493470
131283181ccc660
146cc15443c7c0
15338c537c3176
hex197b8ba7ffd4

28018414714836 has 192 divisors, whose sum is σ = 84705329408000. Its totient is φ = 6999950098944.

The previous prime is 28018414714723. The next prime is 28018414714891. The reversal of 28018414714836 is 63841741481082.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271726506 + ... + 271829598.

Almost surely, 228018414714836 is an apocalyptic number.

28018414714836 is a gapful number since it is divisible by the number (26) 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 28018414714836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42352664704000).

28018414714836 is an abundant number, since it is smaller than the sum of its proper divisors (56686914693164).

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

28018414714836 is a wasteful number, since it uses less digits than its factorization.

28018414714836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116238 (or 116236 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 28018414714836 in words is "twenty-eight trillion, eighteen billion, four hundred fourteen million, seven hundred fourteen thousand, eight hundred thirty-six".