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1372200055 = 5274440011
BaseRepresentation
bin101000111001010…
…0001110001110111
310112122000222121021
41101302201301313
510302240400210
6344055002011
746001336152
oct12162416167
93478028537
101372200055
11644631236
12323669307
1318b396cc5
14d0356c99
1580702bda
hex51ca1c77

1372200055 has 4 divisors (see below), whose sum is σ = 1646640072. Its totient is φ = 1097760040.

The previous prime is 1372200041. The next prime is 1372200091. The reversal of 1372200055 is 5500022731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1372200055 - 25 = 1372200023 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 137220001 + ... + 137220010.

It is an arithmetic number, because the mean of its divisors is an integer number (411660018).

Almost surely, 21372200055 is an apocalyptic number.

1372200055 is a deficient number, since it is larger than the sum of its proper divisors (274440017).

1372200055 is an equidigital number, since it uses as much as digits as its factorization.

1372200055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274440016.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1372200055 is about 37043.2187451361. The cubic root of 1372200055 is about 1111.2347418341.

Adding to 1372200055 its reverse (5500022731), we get a palindrome (6872222786).

The spelling of 1372200055 in words is "one billion, three hundred seventy-two million, two hundred thousand, fifty-five".

Divisors: 1 5 274440011 1372200055