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1187075164 = 221126978981
BaseRepresentation
bin100011011000001…
…0101010001011100
310001201200122222211
41012300111101130
54412342401124
6313443050204
741262654352
oct10660252134
93051618884
101187075164
1155a089160
12291670964
1315bc1a552
14b39277d2
156e335e94
hex46c1545c

1187075164 has 12 divisors (see below), whose sum is σ = 2266234488. Its totient is φ = 539579600.

The previous prime is 1187075159. The next prime is 1187075171. The reversal of 1187075164 is 4615707811.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13489447 + ... + 13489534.

It is an arithmetic number, because the mean of its divisors is an integer number (188852874).

Almost surely, 21187075164 is an apocalyptic number.

It is an amenable number.

1187075164 is a deficient number, since it is larger than the sum of its proper divisors (1079159324).

1187075164 is a wasteful number, since it uses less digits than its factorization.

1187075164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26978996 (or 26978994 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 1187075164 is about 34453.9571602450. The cubic root of 1187075164 is about 1058.8295981698.

The spelling of 1187075164 in words is "one billion, one hundred eighty-seven million, seventy-five thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 26978981 53957962 107915924 296768791 593537582 1187075164