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228633021006 = 23133779221421
BaseRepresentation
bin1101010011101110010…
…1110000101001001110
3210212010211100212012220
43110323211300221032
512221220023133011
6253011011040210
722342511420235
oct3247345605116
9725124325186
10228633021006
1188a6541a725
12383888a0066
1318738427860
14b0ccb71b1c
155e3207c506
hex353b970a4e

228633021006 has 32 divisors (see below), whose sum is σ = 505749558048. Its totient is φ = 68447306880.

The previous prime is 228633020953. The next prime is 228633021077. The reversal of 228633021006 is 600120336822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39607825 + ... + 39613596.

It is an arithmetic number, because the mean of its divisors is an integer number (15804673689).

Almost surely, 2228633021006 is an apocalyptic number.

228633021006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228633021006 is an abundant number, since it is smaller than the sum of its proper divisors (277116537042).

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

228633021006 is a wasteful number, since it uses less digits than its factorization.

228633021006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79221476.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 228633021006 its reverse (600120336822), we get a palindrome (828753357828).

The spelling of 228633021006 in words is "two hundred twenty-eight billion, six hundred thirty-three million, twenty-one thousand, six".

Divisors: 1 2 3 6 13 26 37 39 74 78 111 222 481 962 1443 2886 79221421 158442842 237664263 475328526 1029878473 2059756946 2931192577 3089635419 5862385154 6179270838 8793577731 17587155462 38105503501 76211007002 114316510503 228633021006