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2115212326305 = 351380913408211
BaseRepresentation
bin11110110001111100011…
…110101011010110100001
321111012201210011102211120
4132301330132223112201
5234123423323420210
64255414245002453
7305550635056101
oct36617436532641
97435653142746
102115212326305
1174606923a891
122a1b383b3429
131246048a1810
147453c005201
153a04c9bd270
hex1ec7c7ab5a1

2115212326305 has 32 divisors (see below), whose sum is σ = 3649178977920. Its totient is φ = 1040048033280.

The previous prime is 2115212326277. The next prime is 2115212326363. The reversal of 2115212326305 is 5036232125112.

It is not a de Polignac number, because 2115212326305 - 216 = 2115212260769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6546351 + ... + 6861860.

It is an arithmetic number, because the mean of its divisors is an integer number (114036843060).

Almost surely, 22115212326305 is an apocalyptic number.

It is an amenable number.

2115212326305 is a deficient number, since it is larger than the sum of its proper divisors (1533966651615).

2115212326305 is a wasteful number, since it uses less digits than its factorization.

2115212326305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13409041.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 2115212326305 in words is "two trillion, one hundred fifteen billion, two hundred twelve million, three hundred twenty-six thousand, three hundred five".

Divisors: 1 3 5 13 15 39 65 195 809 2427 4045 10517 12135 31551 52585 157755 13408211 40224633 67041055 174306743 201123165 522920229 871533715 2614601145 10847242699 32541728097 54236213495 141014155087 162708640485 423042465261 705070775435 2115212326305