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1869407068 = 22736402079
BaseRepresentation
bin110111101101100…
…1110001101011100
311211021121201101211
41233123032031130
512312032011233
6505255514204
764216461244
oct15733161534
94737551354
101869407068
1187a260221
12442088964
1323a3b1a39
1413a3c2b24
15ae1b85cd
hex6f6ce35c

1869407068 has 12 divisors (see below), whose sum is σ = 3316277440. Its totient is φ = 921899232.

The previous prime is 1869406963. The next prime is 1869407101. The reversal of 1869407068 is 8607049681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200748 + ... + 3201331.

Almost surely, 21869407068 is an apocalyptic number.

It is an amenable number.

1869407068 is a deficient number, since it is larger than the sum of its proper divisors (1446870372).

1869407068 is a wasteful number, since it uses less digits than its factorization.

1869407068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402156 (or 6402154 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1869407068 is about 43236.6403412661. The cubic root of 1869407068 is about 1231.8787399276.

The spelling of 1869407068 in words is "one billion, eight hundred sixty-nine million, four hundred seven thousand, sixty-eight".

Divisors: 1 2 4 73 146 292 6402079 12804158 25608316 467351767 934703534 1869407068