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20250305530000 = 245471331770199
BaseRepresentation
bin1001001101010111001000…
…10001001000100010010000
32122200220120121110220010221
410212223210101020202100
510123240111203430000
6111022510102202424
74160015306642440
oct446534421104220
978626517426127
1020250305530000
1164a8119602517
12233078a423414
13b3b7987587c0
14500197482120
15251b5490261a
hex126ae4448890

20250305530000 has 400 divisors, whose sum is σ = 60533388115200. Its totient is φ = 6388579584000.

The previous prime is 20250305529901. The next prime is 20250305530003. The reversal of 20250305530000 is 3550305202.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20250305530003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 288434901 + ... + 288505099.

It is an arithmetic number, because the mean of its divisors is an integer number (151333470288).

Almost surely, 220250305530000 is an apocalyptic number.

20250305530000 is a gapful number since it is divisible by the number (20) 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 20250305530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30266694057600).

20250305530000 is an abundant number, since it is smaller than the sum of its proper divisors (40283082585200).

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

20250305530000 is a wasteful number, since it uses less digits than its factorization.

20250305530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70564 (or 70543 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 20250305530000 its reverse (3550305202), we get a palindrome (20253855835202).

The spelling of 20250305530000 in words is "twenty trillion, two hundred fifty billion, three hundred five million, five hundred thirty thousand".