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1373889205 = 513139152063
BaseRepresentation
bin101000111100011…
…1110001010110101
310112202012210200101
41101320332022311
510303203423310
6344155114101
746021602613
oct12170761265
93482183611
101373889205
11645585327
12324142931
1318b838ac0
14d06766b3
158093843a
hex51e3e2b5

1373889205 has 16 divisors (see below), whose sum is σ = 1788272640. Its totient is φ = 1007258688.

The previous prime is 1373889193. The next prime is 1373889211. The reversal of 1373889205 is 5029883731.

It is a cyclic number.

It is not a de Polignac number, because 1373889205 - 223 = 1365500597 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 66997 + ... + 85066.

It is an arithmetic number, because the mean of its divisors is an integer number (111767040).

Almost surely, 21373889205 is an apocalyptic number.

It is an amenable number.

1373889205 is a deficient number, since it is larger than the sum of its proper divisors (414383435).

1373889205 is a wasteful number, since it uses less digits than its factorization.

1373889205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152220.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1373889205 is about 37066.0114525423. The cubic root of 1373889205 is about 1111.6905238910.

The spelling of 1373889205 in words is "one billion, three hundred seventy-three million, eight hundred eighty-nine thousand, two hundred five".

Divisors: 1 5 13 65 139 695 1807 9035 152063 760315 1976819 9884095 21136757 105683785 274777841 1373889205