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268478012 = 22116101773
BaseRepresentation
bin10000000000001…
…010011000111100
3200201012002121002
4100000022120330
51022212244022
642350225432
76440011505
oct2000123074
9621162532
10268478012
11128604560
1275ab5278
134381213a
1427929bac
1518884092
hex1000a63c

268478012 has 12 divisors (see below), whose sum is σ = 512549016. Its totient is φ = 122035440.

The previous prime is 268478003. The next prime is 268478017. The reversal of 268478012 is 210874862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268478017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050843 + ... + 3050930.

It is an arithmetic number, because the mean of its divisors is an integer number (42712418).

Almost surely, 2268478012 is an apocalyptic number.

268478012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

268478012 is a deficient number, since it is larger than the sum of its proper divisors (244071004).

268478012 is a wasteful number, since it uses less digits than its factorization.

268478012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101788 (or 6101786 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 268478012 is about 16385.2986545867. The cubic root of 268478012 is about 645.1136646428.

The spelling of 268478012 in words is "two hundred sixty-eight million, four hundred seventy-eight thousand, twelve".

Divisors: 1 2 4 11 22 44 6101773 12203546 24407092 67119503 134239006 268478012