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1373681201 = 1388398947
BaseRepresentation
bin101000111100000…
…1011011000110001
310112201211020100112
41101320023120301
510303130244301
6344150431105
746020045314
oct12170133061
93481736315
101373681201
11645453022
12324062495
1318b795219
14d062097b
15808e69bb
hex51e0b631

1373681201 has 4 divisors (see below), whose sum is σ = 1373794032. Its totient is φ = 1373568372.

The previous prime is 1373681161. The next prime is 1373681249. The reversal of 1373681201 is 1021863731.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1373681201 - 210 = 1373680177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373281201) 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, 35591 + ... + 63356.

It is an arithmetic number, because the mean of its divisors is an integer number (343448508).

Almost surely, 21373681201 is an apocalyptic number.

It is an amenable number.

1373681201 is a deficient number, since it is larger than the sum of its proper divisors (112831).

1373681201 is an equidigital number, since it uses as much as digits as its factorization.

1373681201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112830.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1373681201 is about 37063.2054873833. The cubic root of 1373681201 is about 1111.6344185065.

The spelling of 1373681201 in words is "one billion, three hundred seventy-three million, six hundred eighty-one thousand, two hundred one".

Divisors: 1 13883 98947 1373681201