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1333923968 = 27131017937
BaseRepresentation
bin100111110000010…
…0001000010000000
310102222000100200102
41033200201002000
510212441031333
6340210341532
745025111106
oct11740410200
93388010612
101333923968
11624a68903
1231288a8a8
13183485030
14c9231c76
157c191ae8
hex4f821080

1333923968 has 64 divisors (see below), whose sum is σ = 2890543320. Its totient is φ = 609484800.

The previous prime is 1333923961. The next prime is 1333923973. The reversal of 1333923968 is 8693293331.

It can be written as a sum of positive squares in 4 ways, for example, as 1330206784 + 3717184 = 36472^2 + 1928^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1333923961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164096 + ... + 172032.

Almost surely, 21333923968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1333923968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445271660).

1333923968 is an abundant number, since it is smaller than the sum of its proper divisors (1556619352).

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

1333923968 is a wasteful number, since it uses less digits than its factorization.

1333923968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065 (or 8053 counting only the distinct ones).

The product of its digits is 629856, while the sum is 47.

The square root of 1333923968 is about 36522.9238698109. The cubic root of 1333923968 is about 1100.8049116984.

The spelling of 1333923968 in words is "one billion, three hundred thirty-three million, nine hundred twenty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 101 104 128 202 208 404 416 808 832 1313 1616 1664 2626 3232 5252 6464 7937 10504 12928 15874 21008 31748 42016 63496 84032 103181 126992 168064 206362 253984 412724 507968 801637 825448 1015936 1603274 1650896 3206548 3301792 6413096 6603584 10421281 12826192 13207168 20842562 25652384 41685124 51304768 83370248 102609536 166740496 333480992 666961984 1333923968