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1381104770 = 25138110477
BaseRepresentation
bin101001001010001…
…1111110010000010
310120020210101120112
41102110133302002
510312030323040
6345013511322
746140124343
oct12224376202
93506711515
101381104770
11649663501
12326642542
13190194176
14d15d40ca
15813b1365
hex5251fc82

1381104770 has 8 divisors (see below), whose sum is σ = 2485988604. Its totient is φ = 552441904.

The previous prime is 1381104757. The next prime is 1381104799. The reversal of 1381104770 is 774011831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1370998729 + 10106041 = 37027^2 + 3179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69055229 + ... + 69055248.

Almost surely, 21381104770 is an apocalyptic number.

1381104770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381104770 is a deficient number, since it is larger than the sum of its proper divisors (1104883834).

1381104770 is a wasteful number, since it uses less digits than its factorization.

1381104770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138110484.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1381104770 is about 37163.2179715374. The cubic root of 1381104770 is about 1113.6332990200.

The spelling of 1381104770 in words is "one billion, three hundred eighty-one million, one hundred four thousand, seven hundred seventy".

Divisors: 1 2 5 10 138110477 276220954 690552385 1381104770