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2068378928 = 247111678879
BaseRepresentation
bin111101101001000…
…1111010100110000
312100011000112110222
41323102033110300
513214001111203
6541124312212
7102153634160
oct17322172460
95304015428
102068378928
11971600780
12498842668
1326c699075
141589b85a0
15c18bd038
hex7b48f530

2068378928 has 40 divisors (see below), whose sum is σ = 4996346880. Its totient is φ = 805861440.

The previous prime is 2068378787. The next prime is 2068378943. The reversal of 2068378928 is 8298738602.

It is a self number, because there is not a number n which added to its sum of digits gives 2068378928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838208 + ... + 840671.

It is an arithmetic number, because the mean of its divisors is an integer number (124908672).

Almost surely, 22068378928 is an apocalyptic number.

2068378928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2068378928 is an abundant number, since it is smaller than the sum of its proper divisors (2927967952).

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

2068378928 is a wasteful number, since it uses less digits than its factorization.

2068378928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678905 (or 1678899 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 2068378928 is about 45479.4341213696. The cubic root of 2068378928 is about 1274.1191256110.

The spelling of 2068378928 in words is "two billion, sixty-eight million, three hundred seventy-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 1678879 3357758 6715516 11752153 13431032 18467669 23504306 26862064 36935338 47008612 73870676 94017224 129273683 147741352 188034448 258547366 295482704 517094732 1034189464 2068378928