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1377773423 = 131031028957
BaseRepresentation
bin101001000011111…
…0010011101101111
310120000112010211022
41102013302131233
510310202222143
6344414244355
746066611065
oct12207623557
93500463738
101377773423
11647798624
123254b66bb
1318c598a60
14d0da8035
1580e54268
hex521f276f

1377773423 has 8 divisors (see below), whose sum is σ = 1498162848. Its totient is φ = 1259442144.

The previous prime is 1377773399. The next prime is 1377773443. The reversal of 1377773423 is 3243777731.

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

It is a cyclic number.

It is not a de Polignac number, because 1377773423 - 26 = 1377773359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377773443) 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, 513140 + ... + 515817.

It is an arithmetic number, because the mean of its divisors is an integer number (187270356).

Almost surely, 21377773423 is an apocalyptic number.

1377773423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1377773423 is a deficient number, since it is larger than the sum of its proper divisors (120389425).

1377773423 is a wasteful number, since it uses less digits than its factorization.

1377773423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029073.

The product of its digits is 518616, while the sum is 44.

The square root of 1377773423 is about 37118.3704248988. The cubic root of 1377773423 is about 1112.7371840879.

The spelling of 1377773423 in words is "one billion, three hundred seventy-seven million, seven hundred seventy-three thousand, four hundred twenty-three".

Divisors: 1 13 103 1339 1028957 13376441 105982571 1377773423