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16740900905 = 529445125939
BaseRepresentation
bin11111001011101010…
…11110000000101001
31121012200221212202212
433211311132000221
5233241132312110
611405103334505
71131566211161
oct174565360051
947180855685
1016740900905
1171108906a3
1232b25b1435
13176a416231
14b4b5155a1
1567ea96e05
hex3e5d5e029

16740900905 has 16 divisors (see below), whose sum is σ = 20787278400. Its totient is φ = 12927499200.

The previous prime is 16740900899. The next prime is 16740900929. The reversal of 16740900905 is 50900904761.

It is not a de Polignac number, because 16740900905 - 24 = 16740900889 is a prime.

It is a super-2 number, since 2×167409009052 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632426 + ... + 658364.

It is an arithmetic number, because the mean of its divisors is an integer number (1299204900).

Almost surely, 216740900905 is an apocalyptic number.

It is an amenable number.

16740900905 is a deficient number, since it is larger than the sum of its proper divisors (4046377495).

16740900905 is a wasteful number, since it uses less digits than its factorization.

16740900905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30424.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 16740900905 in words is "sixteen billion, seven hundred forty million, nine hundred thousand, nine hundred five".

Divisors: 1 5 29 145 4451 22255 25939 129079 129695 645395 752231 3761155 115454489 577272445 3348180181 16740900905