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15225013340 = 22517291544119
BaseRepresentation
bin11100010110111101…
…10100010001011100
31110022001112210221222
432023132310101130
5222140100411330
610554432512512
71046201322665
oct161336642134
943261483858
1015225013340
116503139959
122b4a9ab738
131588350644
14a4607836c
155e19600e5
hex38b7b445c

15225013340 has 48 divisors (see below), whose sum is σ = 35020641600. Its totient is φ = 5534118912.

The previous prime is 15225013333. The next prime is 15225013343. The reversal of 15225013340 is 4331052251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225013343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762200 + ... + 781919.

It is an arithmetic number, because the mean of its divisors is an integer number (729596700).

Almost surely, 215225013340 is an apocalyptic number.

15225013340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15225013340 is an abundant number, since it is smaller than the sum of its proper divisors (19795628260).

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

15225013340 is a wasteful number, since it uses less digits than its factorization.

15225013340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544174 (or 1544172 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 15225013340 its reverse (4331052251), we get a palindrome (19556065591).

The spelling of 15225013340 in words is "fifteen billion, two hundred twenty-five million, thirteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 29 34 58 68 85 116 145 170 290 340 493 580 986 1972 2465 4930 9860 1544119 3088238 6176476 7720595 15441190 26250023 30882380 44779451 52500046 89558902 105000092 131250115 179117804 223897255 262500230 447794510 525000460 761250667 895589020 1522501334 3045002668 3806253335 7612506670 15225013340