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1371441797 = 11124676527
BaseRepresentation
bin101000110111110…
…1000101010000101
310112120121110110122
41101233220222011
510302042114142
6344030431325
745662030405
oct12157505205
93476543418
101371441797
11644163580
12323362545
1318b18cb2b
14d01da805
15806031d2
hex51be8a85

1371441797 has 4 divisors (see below), whose sum is σ = 1496118336. Its totient is φ = 1246765260.

The previous prime is 1371441787. The next prime is 1371441809. The reversal of 1371441797 is 7971441731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1371441797 - 24 = 1371441781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371441737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62338253 + ... + 62338274.

It is an arithmetic number, because the mean of its divisors is an integer number (374029584).

Almost surely, 21371441797 is an apocalyptic number.

It is an amenable number.

1371441797 is a deficient number, since it is larger than the sum of its proper divisors (124676539).

1371441797 is a wasteful number, since it uses less digits than its factorization.

1371441797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124676538.

The product of its digits is 148176, while the sum is 44.

The square root of 1371441797 is about 37032.9825560945. The cubic root of 1371441797 is about 1111.0300200127.

The spelling of 1371441797 in words is "one billion, three hundred seventy-one million, four hundred forty-one thousand, seven hundred ninety-seven".

Divisors: 1 11 124676527 1371441797