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1357148243 = 11971271929
BaseRepresentation
bin101000011100100…
…0111000001010011
310111120201021101202
41100321013001103
510234412220433
6342400221415
745426366263
oct12071070123
93446637352
101357148243
11637090620
1231a60a86b
13188226bc9
14cc3597a3
157e22cee8
hex50e47053

1357148243 has 8 divisors (see below), whose sum is σ = 1495789680. Its totient is φ = 1221050880.

The previous prime is 1357148237. The next prime is 1357148249. The reversal of 1357148243 is 3428417531.

It is an interprime number because it is at equal distance from previous prime (1357148237) and next prime (1357148249).

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

It is a cyclic number.

It is not a de Polignac number, because 1357148243 - 212 = 1357144147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1357148197 and 1357148206.

It is not an unprimeable number, because it can be changed into a prime (1357148249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634898 + ... + 637031.

It is an arithmetic number, because the mean of its divisors is an integer number (186973710).

Almost surely, 21357148243 is an apocalyptic number.

1357148243 is a deficient number, since it is larger than the sum of its proper divisors (138641437).

1357148243 is a wasteful number, since it uses less digits than its factorization.

1357148243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272037.

The product of its digits is 80640, while the sum is 38.

The square root of 1357148243 is about 36839.4929796815. The cubic root of 1357148243 is about 1107.1567094835.

The spelling of 1357148243 in words is "one billion, three hundred fifty-seven million, one hundred forty-eight thousand, two hundred forty-three".

Divisors: 1 11 97 1067 1271929 13991219 123377113 1357148243