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472503799440 = 243951012971
BaseRepresentation
bin1101110000000110110…
…10111100111010010000
31200011121121021000000000
412320003122330322100
530220141433040230
61001022032130000
746065041012331
oct6700332747220
91604547230000
10472503799440
1117242a093002
12776a8696900
133573171560a
1418c25538288
15c456c35b60
hex6e036bce90

472503799440 has 400 divisors, whose sum is σ = 1664704362816. Its totient is φ = 124711488000.

The previous prime is 472503799381. The next prime is 472503799447. The reversal of 472503799440 is 44997305274.

472503799440 is a `hidden beast` number, since 4 + 7 + 2 + 503 + 7 + 9 + 94 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (472503799447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 159037155 + ... + 159040125.

Almost surely, 2472503799440 is an apocalyptic number.

472503799440 is a gapful number since it is divisible by the number (40) 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 472503799440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832352181408).

472503799440 is an abundant number, since it is smaller than the sum of its proper divisors (1192200563376).

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

472503799440 is an equidigital number, since it uses as much as digits as its factorization.

472503799440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112 (or 3082 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 472503799440 in words is "four hundred seventy-two billion, five hundred three million, seven hundred ninety-nine thousand, four hundred forty".