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16048630309987 = 112221335992559
BaseRepresentation
bin1110100110001001110011…
…1010001010010001100011
32002211020022122021111212201
43221202130322022101203
54100420043324404422
654044350004234031
73244322006565052
oct351423472122143
962736278244781
1016048630309987
115128205472100
1219723b999b917
138c54c155c672
143d6a8778a399
151cc6dd3b6727
hexe989ce8a463

16048630309987 has 12 divisors (see below), whose sum is σ = 17641029964320. Its totient is φ = 14589002302160.

The previous prime is 16048630309973. The next prime is 16048630309993. The reversal of 16048630309987 is 78990303684061.

It is a happy number.

It is not a de Polignac number, because 16048630309987 - 223 = 16048621921379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16048630309997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318187 + ... + 5674372.

It is an arithmetic number, because the mean of its divisors is an integer number (1470085830360).

Almost surely, 216048630309987 is an apocalyptic number.

16048630309987 is a deficient number, since it is larger than the sum of its proper divisors (1592399654333).

16048630309987 is a wasteful number, since it uses less digits than its factorization.

16048630309987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014714 (or 6014703 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 16048630309987 in words is "sixteen trillion, forty-eight billion, six hundred thirty million, three hundred nine thousand, nine hundred eighty-seven".

Divisors: 1 11 121 22133 243463 2678093 5992559 65918149 725099639 132633308347 1458966391817 16048630309987