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102143196 = 223227710243
BaseRepresentation
bin1100001011010…
…01010011011100
321010012102010100
412011221103130
5202122040241
614045141100
72350126401
oct605512334
9233172110
10102143196
1152725771
122a25a790
131821417c
14d7cc2a8
158e799b6
hex61694dc

102143196 has 36 divisors (see below), whose sum is σ = 259152712. Its totient is φ = 33921504.

The previous prime is 102143159. The next prime is 102143257. The reversal of 102143196 is 691341201.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 4851 + ... + 15093.

Almost surely, 2102143196 is an apocalyptic number.

It is an amenable number.

102143196 is an abundant number, since it is smaller than the sum of its proper divisors (157009516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102143196 is a wasteful number, since it uses less digits than its factorization.

102143196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530 (or 10525 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 102143196 is about 10106.5917103641. The cubic root of 102143196 is about 467.4514172588.

Adding to 102143196 its reverse (691341201), we get a palindrome (793484397).

The spelling of 102143196 in words is "one hundred two million, one hundred forty-three thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 277 554 831 1108 1662 2493 3324 4986 9972 10243 20486 30729 40972 61458 92187 122916 184374 368748 2837311 5674622 8511933 11349244 17023866 25535799 34047732 51071598 102143196