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12469255965320 = 23571119726378139
BaseRepresentation
bin1011010101110011100110…
…0100101000101010001000
31122011001022212222000221212
42311130321210220222020
53113244014011342240
642304144101552252
72424605533630610
oct265347144505210
948131285860855
1012469255965320
113a781aaa12a80
121494760715688
136c5acc28905b
1431172da39a40
1516954995a165
hexb5739928a88

12469255965320 has 256 divisors, whose sum is σ = 35290374451200. Its totient is φ = 3852040872960.

The previous prime is 12469255965319. The next prime is 12469255965337. The reversal of 12469255965320 is 2356955296421.

It is a self number, because there is not a number n which added to its sum of digits gives 12469255965320.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159538811 + ... + 159616949.

It is an arithmetic number, because the mean of its divisors is an integer number (137853025200).

Almost surely, 212469255965320 is an apocalyptic number.

12469255965320 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 12469255965320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17645187225600).

12469255965320 is an abundant number, since it is smaller than the sum of its proper divisors (22821118485880).

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

12469255965320 is a wasteful number, since it uses less digits than its factorization.

12469255965320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78628 (or 78624 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 12469255965320 in words is "twelve trillion, four hundred sixty-nine billion, two hundred fifty-five million, nine hundred sixty-five thousand, three hundred twenty".