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1371057311 = 13377339047
BaseRepresentation
bin101000110111000…
…1010110010011111
310112112212221001102
41101232022302133
510301442313221
6344014303315
745655536431
oct12156126237
93475787042
101371057311
11643a20718
123231b7b3b
1318b086b20
14d013a651
158057930b
hex51b8ac9f

1371057311 has 16 divisors (see below), whose sum is σ = 1537241664. Its totient is φ = 1214486784.

The previous prime is 1371057307. The next prime is 1371057349. The reversal of 1371057311 is 1137501731.

It is a cyclic number.

It is not a de Polignac number, because 1371057311 - 22 = 1371057307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371050311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15590 + ... + 54636.

It is an arithmetic number, because the mean of its divisors is an integer number (96077604).

Almost surely, 21371057311 is an apocalyptic number.

1371057311 is a deficient number, since it is larger than the sum of its proper divisors (166184353).

1371057311 is a wasteful number, since it uses less digits than its factorization.

1371057311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39170.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 1371057311 is about 37027.7910629300. The cubic root of 1371057311 is about 1110.9261839342.

The spelling of 1371057311 in words is "one billion, three hundred seventy-one million, fifty-seven thousand, three hundred eleven".

Divisors: 1 13 37 73 481 949 2701 35113 39047 507611 1444739 2850431 18781607 37055603 105465947 1371057311