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13912169226240 = 213351923417189
BaseRepresentation
bin1100101001110010110111…
…1001111010000000000000
31211020222201222211100121210
43022130231321322000000
53310414110310214430
645331055020450120
72634056344162545
oct312345571720000
954228658740553
1013912169226240
11448413292535a
1216883313a9940
1379bbb167a0bc
143614d16babcc
15191d4a2102b0
hexca72de7a000

13912169226240 has 1792 divisors, whose sum is σ = 51365344665600. Its totient is φ = 3197317939200.

The previous prime is 13912169226173. The next prime is 13912169226247. The reversal of 13912169226240 is 4262296121931.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13912169226240.

It is not an unprimeable number, because it can be changed into a prime (13912169226247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 156316508116 + ... + 156316508204.

It is an arithmetic number, because the mean of its divisors is an integer number (28663696800).

Almost surely, 213912169226240 is an apocalyptic number.

13912169226240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13912169226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25682672332800).

13912169226240 is an abundant number, since it is smaller than the sum of its proper divisors (37453175439360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13912169226240 is a wasteful number, since it uses less digits than its factorization.

13912169226240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 13912169226240 in words is "thirteen trillion, nine hundred twelve billion, one hundred sixty-nine million, two hundred twenty-six thousand, two hundred forty".