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1896993093 = 317137327091
BaseRepresentation
bin111000100010001…
…1101000101000101
311220012112020022110
41301010131011011
512341112234333
6512123051233
765003114052
oct16104350505
94805466273
101896993093
11893891a96
1244b370b19
13243020028
1413dd24029
15b1817063
hex7111d145

1896993093 has 16 divisors (see below), whose sum is σ = 2680157376. Its totient is φ = 1189359360.

The previous prime is 1896993073. The next prime is 1896993113. The reversal of 1896993093 is 3903996981.

It is an interprime number because it is at equal distance from previous prime (1896993073) and next prime (1896993113).

It is not a de Polignac number, because 1896993093 - 221 = 1894895941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896993023) 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 15 ways as a sum of consecutive naturals, for example, 56478 + ... + 83568.

It is an arithmetic number, because the mean of its divisors is an integer number (167509836).

Almost surely, 21896993093 is an apocalyptic number.

It is an amenable number.

1896993093 is a deficient number, since it is larger than the sum of its proper divisors (783164283).

1896993093 is a wasteful number, since it uses less digits than its factorization.

1896993093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28484.

The product of its (nonzero) digits is 2834352, while the sum is 57.

The square root of 1896993093 is about 43554.4841893461. The cubic root of 1896993093 is about 1237.9086089094.

The spelling of 1896993093 in words is "one billion, eight hundred ninety-six million, nine hundred ninety-three thousand, ninety-three".

Divisors: 1 3 17 51 1373 4119 23341 27091 70023 81273 460547 1381641 37195943 111587829 632331031 1896993093