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1301020231000 = 235371923425309
BaseRepresentation
bin10010111011101010110…
…110010100010101011000
311121101011100002120001111
4102323222312110111120
5132303442134343000
62433402550430104
7162665331332650
oct22735266242530
94541140076044
101301020231000
1146183a003906
12190191062334
13958bb598c19
1446d80c81360
1523c987a0cba
hex12eead94558

1301020231000 has 256 divisors, whose sum is σ = 3821665536000. Its totient is φ = 404212723200.

The previous prime is 1301020230971. The next prime is 1301020231061. The reversal of 1301020231000 is 1320201031.

It is a super-2 number, since 2×13010202310002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 2846346 + ... + 3271654.

It is an arithmetic number, because the mean of its divisors is an integer number (14928381000).

Almost surely, 21301020231000 is an apocalyptic number.

1301020231000 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 1301020231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910832768000).

1301020231000 is an abundant number, since it is smaller than the sum of its proper divisors (2520645305000).

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

1301020231000 is a wasteful number, since it uses less digits than its factorization.

1301020231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425379 (or 425365 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1301020231000 its reverse (1320201031), we get a palindrome (1302340432031).

The spelling of 1301020231000 in words is "one trillion, three hundred one billion, twenty million, two hundred thirty-one thousand".