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15378096982005 = 325437378146693
BaseRepresentation
bin1101111111000111111000…
…0000100000011111110101
32000110010120000112011001200
43133301332000200133311
54003423320311411010
652412333352043113
73145013402414232
oct337617600403765
960403500464050
1015378096982005
1149998a592730a
121884465693499
138771c0b33a34
143b2437b40789
151ba0461d9cc0
hexdfc7e0207f5

15378096982005 has 24 divisors (see below), whose sum is σ = 26661463885368. Its totient is φ = 8199776098176.

The previous prime is 15378096981959. The next prime is 15378096982007. The reversal of 15378096982005 is 50028969087351.

15378096982005 is a `hidden beast` number, since 1 + 537 + 8 + 0 + 9 + 6 + 98 + 2 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2805300059409 + 12572796922596 = 1674903^2 + 3545814^2 .

It is not a de Polignac number, because 15378096982005 - 29 = 15378096981493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15378096982007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38876562 + ... + 39270131.

It is an arithmetic number, because the mean of its divisors is an integer number (1110894328557).

Almost surely, 215378096982005 is an apocalyptic number.

15378096982005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15378096982005 is a deficient number, since it is larger than the sum of its proper divisors (11283366903363).

15378096982005 is a wasteful number, since it uses less digits than its factorization.

15378096982005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78151077 (or 78151074 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 15378096982005 in words is "fifteen trillion, three hundred seventy-eight billion, ninety-six million, nine hundred eighty-two thousand, five".

Divisors: 1 3 5 9 15 45 4373 13119 21865 39357 65595 196785 78146693 234440079 390733465 703320237 1172200395 3516601185 341735488489 1025206465467 1708677442445 3075619396401 5126032327335 15378096982005