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1380951293 = 17197358567
BaseRepresentation
bin101001001001111…
…1010010011111101
310120020111121001012
41102103322103331
510312010420133
6345010325005
746135615031
oct12223722375
93506447035
101380951293
11649569167
12326589765
1319013c357
14d15941c1
1581380b48
hex524fa4fd

1380951293 has 16 divisors (see below), whose sum is σ = 1560251520. Its totient is φ = 1214424576.

The previous prime is 1380951289. The next prime is 1380951301. The reversal of 1380951293 is 3921590831.

It is a cyclic number.

It is not a de Polignac number, because 1380951293 - 22 = 1380951289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1380951293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380951263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5705 + ... + 52862.

It is an arithmetic number, because the mean of its divisors is an integer number (97515720).

Almost surely, 21380951293 is an apocalyptic number.

It is an amenable number.

1380951293 is a deficient number, since it is larger than the sum of its proper divisors (179300227).

1380951293 is a wasteful number, since it uses less digits than its factorization.

1380951293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58676.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1380951293 is about 37161.1530095609. The cubic root of 1380951293 is about 1113.5920461928.

The spelling of 1380951293 in words is "one billion, three hundred eighty million, nine hundred fifty-one thousand, two hundred ninety-three".

Divisors: 1 17 19 73 323 1241 1387 23579 58567 995639 1112773 4275391 18917141 72681647 81232429 1380951293