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1358208970 = 25135820897
BaseRepresentation
bin101000011110100…
…1001111111001010
310111122201011102221
41100331021333022
510240200141340
6342435044254
745441404626
oct12075117712
93448634387
101358208970
11637745558
1231aa4068a
13188508961
14cc554186
157e38c44a
hex50f49fca

1358208970 has 8 divisors (see below), whose sum is σ = 2444776164. Its totient is φ = 543283584.

The previous prime is 1358208947. The next prime is 1358208991. The reversal of 1358208970 is 798028531.

It can be written as a sum of positive squares in 2 ways, for example, as 1238547249 + 119661721 = 35193^2 + 10939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 67910439 + ... + 67910458.

Almost surely, 21358208970 is an apocalyptic number.

1358208970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1358208970 is a deficient number, since it is larger than the sum of its proper divisors (1086567194).

1358208970 is a wasteful number, since it uses less digits than its factorization.

1358208970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135820904.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1358208970 is about 36853.8867692405. The cubic root of 1358208970 is about 1107.4450801390.

The spelling of 1358208970 in words is "one billion, three hundred fifty-eight million, two hundred eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 135820897 271641794 679104485 1358208970