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34225004520 = 2336572171409
BaseRepresentation
bin11111110111111110…
…000001111111101000
310021100012101101000000
4133313332001333220
51030043100121040
623420040343000
72321061511200
oct376776017750
9107305341000
1034225004520
1113573139503
126771a74a60
1332c57b7085
14192960d400
15d549e7130
hex7f7f81fe8

34225004520 has 672 divisors, whose sum is σ = 142307944200. Its totient is φ = 7357464576.

The previous prime is 34225004519. The next prime is 34225004579. The reversal of 34225004520 is 2540052243.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21621349764 + 12603654756 = 147042^2 + 112266^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 24289576 + ... + 24290984.

Almost surely, 234225004520 is an apocalyptic number.

34225004520 is a gapful number since it is divisible by the number (30) 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 34225004520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71153972100).

34225004520 is an abundant number, since it is smaller than the sum of its proper divisors (108082939680).

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

34225004520 is a wasteful number, since it uses less digits than its factorization.

34225004520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 34225004520 its reverse (2540052243), we get a palindrome (36765056763).

The spelling of 34225004520 in words is "thirty-four billion, two hundred twenty-five million, four thousand, five hundred twenty".