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1453213240320 = 21035262136097
BaseRepresentation
bin10101001001011010010…
…000100100110000000000
312010220222221002111011110
4111021122100210300000
5142302140042142240
63031332535043320
7206663656506252
oct25113220446000
95126887074143
101453213240320
11510338a97356
121b5786210540
13a706429cb1a
145049b9adcd2
1527c04b6ac80
hex1525a424c00

1453213240320 has 176 divisors, whose sum is σ = 4649913910368. Its totient is φ = 387364945920.

The previous prime is 1453213240319. The next prime is 1453213240321. The reversal of 1453213240320 is 230423123541.

It is an interprime number because it is at equal distance from previous prime (1453213240319) and next prime (1453213240321).

It is a super-2 number, since 2×14532132403202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1453213240321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40240512 + ... + 40276608.

Almost surely, 21453213240320 is an apocalyptic number.

1453213240320 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 1453213240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324956955184).

1453213240320 is an abundant number, since it is smaller than the sum of its proper divisors (3196700670048).

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

1453213240320 is a wasteful number, since it uses less digits than its factorization.

1453213240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38746 (or 38728 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1453213240320 its reverse (230423123541), we get a palindrome (1683636363861).

The spelling of 1453213240320 in words is "one trillion, four hundred fifty-three billion, two hundred thirteen million, two hundred forty thousand, three hundred twenty".