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203069964240 = 24325111323292957
BaseRepresentation
bin1011110100011111101…
…0011011111111010000
3201102011021222000201200
42331013322123333100
511311341402323430
6233142234031200
720446156134033
oct2750772337720
9642137860650
10203069964240
1179137778830
1233433878500
13161c335bb70
149b85adb01a
155437c38460
hex2f47e9bfd0

203069964240 has 960 divisors, whose sum is σ = 865159626240. Its totient is φ = 41953443840.

The previous prime is 203069964193. The next prime is 203069964247. The reversal of 203069964240 is 42469960302.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203069964247) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 68672842 + ... + 68675798.

It is an arithmetic number, because the mean of its divisors is an integer number (901207944).

Almost surely, 2203069964240 is an apocalyptic number.

203069964240 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 203069964240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432579813120).

203069964240 is an abundant number, since it is smaller than the sum of its proper divisors (662089662000).

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

203069964240 is a wasteful number, since it uses less digits than its factorization.

203069964240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 203069964240 in words is "two hundred three billion, sixty-nine million, nine hundred sixty-four thousand, two hundred forty".