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2133230008 = 237132930261
BaseRepresentation
bin111111100100110…
…1000000110111000
312111200001022102211
41333021220012320
513332101330013
6551402304504
7103602104320
oct17711500670
95450038384
102133230008
119a5175308
124b64b8134
1327cc540a0
1416345a280
15c742d23d
hex7f2681b8

2133230008 has 32 divisors (see below), whose sum is σ = 4922840160. Its totient is φ = 843914880.

The previous prime is 2133229999. The next prime is 2133230027. The reversal of 2133230008 is 8000323312.

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 7 ways as a sum of consecutive naturals, for example, 1464403 + ... + 1465858.

It is an arithmetic number, because the mean of its divisors is an integer number (153838755).

Almost surely, 22133230008 is an apocalyptic number.

2133230008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2133230008 is an abundant number, since it is smaller than the sum of its proper divisors (2789610152).

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

2133230008 is a wasteful number, since it uses less digits than its factorization.

2133230008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930287 (or 2930283 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2133230008 is about 46186.9029920821. The cubic root of 2133230008 is about 1287.2983959069.

The spelling of 2133230008 in words is "two billion, one hundred thirty-three million, two hundred thirty thousand, eight".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 2930261 5860522 11721044 20511827 23442088 38093393 41023654 76186786 82047308 152373572 164094616 266653751 304747144 533307502 1066615004 2133230008