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1355210043 = 311231120431
BaseRepresentation
bin101000011000110…
…1101110100111011
310111110001210200120
41100301231310323
510233413210133
6342250504323
745404044455
oct12061556473
93443053616
101355210043
11635a87400
12319a350a3
131879c8945
14cbdb32d5
157de98ab3
hex50c6dd3b

1355210043 has 24 divisors (see below), whose sum is σ = 2050234368. Its totient is φ = 794838000.

The previous prime is 1355210041. The next prime is 1355210047. The reversal of 1355210043 is 3400125531.

It is not a de Polignac number, because 1355210043 - 21 = 1355210041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355209995 and 1355210022.

It is not an unprimeable number, because it can be changed into a prime (1355210041) 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 23 ways as a sum of consecutive naturals, for example, 48963 + ... + 71468.

It is an arithmetic number, because the mean of its divisors is an integer number (85426432).

Almost surely, 21355210043 is an apocalyptic number.

1355210043 is a deficient number, since it is larger than the sum of its proper divisors (695024325).

1355210043 is a wasteful number, since it uses less digits than its factorization.

1355210043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120487 (or 120476 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1355210043 is about 36813.1775727116. The cubic root of 1355210043 is about 1106.6293994906.

Adding to 1355210043 its reverse (3400125531), we get a palindrome (4755335574).

The spelling of 1355210043 in words is "one billion, three hundred fifty-five million, two hundred ten thousand, forty-three".

Divisors: 1 3 11 31 33 93 121 341 363 1023 3751 11253 120431 361293 1324741 3733361 3974223 11200083 14572151 41066971 43716453 123200913 451736681 1355210043