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2669371938 = 232148298441
BaseRepresentation
bin1001111100011011…
…0110001000100010
320220000220010220100
42133012312020202
520431324400223
61120513523230
7123102200322
oct23706661042
96800803810
102669371938
11114a877712
12625b73516
1333705192c
141b473d282
15109535043
hex9f1b6222

2669371938 has 12 divisors (see below), whose sum is σ = 5783639238. Its totient is φ = 889790640.

The previous prime is 2669371937. The next prime is 2669371949. The reversal of 2669371938 is 8391739662.

2669371938 is a `hidden beast` number, since 266 + 9 + 371 + 9 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2609881569 + 59490369 = 51087^2 + 7713^2 .

It is not an unprimeable number, because it can be changed into a prime (2669371937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74149203 + ... + 74149238.

Almost surely, 22669371938 is an apocalyptic number.

2669371938 is an abundant number, since it is smaller than the sum of its proper divisors (3114267300).

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

2669371938 is a wasteful number, since it uses less digits than its factorization.

2669371938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148298449 (or 148298446 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 2669371938 is about 51665.9649866331. The cubic root of 2669371938 is about 1387.1913228116.

The spelling of 2669371938 in words is "two billion, six hundred sixty-nine million, three hundred seventy-one thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 148298441 296596882 444895323 889790646 1334685969 2669371938