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102843996212 = 221713093115513
BaseRepresentation
bin101111111000111111…
…0101101100000110100
3100211110101010022121202
41133301332231200310
53141111030334322
6115125035432032
710300366354436
oct1376176554064
9324411108552
10102843996212
113a6858335a1
1217b222b5618
13990caa2439
144d98a58656
152a1dc65292
hex17f1fad834

102843996212 has 24 divisors (see below), whose sum is σ = 190580079816. Its totient is φ = 48393059328.

The previous prime is 102843996181. The next prime is 102843996221. The reversal of 102843996212 is 212699348201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69634765456 + 33209230756 = 263884^2 + 182234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832568 + ... + 948080.

It is an arithmetic number, because the mean of its divisors is an integer number (7940836659).

Almost surely, 2102843996212 is an apocalyptic number.

It is an amenable number.

102843996212 is a deficient number, since it is larger than the sum of its proper divisors (87736083604).

102843996212 is a wasteful number, since it uses less digits than its factorization.

102843996212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128627 (or 128625 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 102843996212 in words is "one hundred two billion, eight hundred forty-three million, nine hundred ninety-six thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 13093 26186 52372 115513 222581 231026 445162 462052 890324 1963721 3927442 7854884 1512411709 3024823418 6049646836 25710999053 51421998106 102843996212