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1338756106 = 2669378053
BaseRepresentation
bin100111111001011…
…1100110000001010
310110022002212010111
41033302330300022
510220210143411
6340502104534
745114145012
oct11762746012
93408085114
101338756106
11627769306
1231441b14a
1318448759c
14c9b2cc42
157c7e8721
hex4fcbcc0a

1338756106 has 4 divisors (see below), whose sum is σ = 2008134162. Its totient is φ = 669378052.

The previous prime is 1338756059. The next prime is 1338756119. The reversal of 1338756106 is 6016578331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6016578331 = 7697823899.

It can be written as a sum of positive squares in only one way, i.e., 939116025 + 399640081 = 30645^2 + 19991^2 .

It is a super-2 number, since 2×13387561062 = 3584535822704566472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334689025 + ... + 334689028.

Almost surely, 21338756106 is an apocalyptic number.

1338756106 is a deficient number, since it is larger than the sum of its proper divisors (669378056).

1338756106 is an equidigital number, since it uses as much as digits as its factorization.

1338756106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669378055.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1338756106 is about 36589.0161933879. The cubic root of 1338756106 is about 1102.1325313842.

The spelling of 1338756106 in words is "one billion, three hundred thirty-eight million, seven hundred fifty-six thousand, one hundred six".

Divisors: 1 2 669378053 1338756106