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147299289840 = 24325438095881
BaseRepresentation
bin1000100100101110111…
…0001100101011110000
3112002012112121020000100
42021023232030223300
54403132104233330
6151400210552400
713433133206463
oct2111356145360
9462175536010
10147299289840
115751867768a
122466a298700
1310b75ba7701
1471b4c152da
153c71959060
hex224bb8caf0

147299289840 has 240 divisors, whose sum is σ = 506896172640. Its totient is φ = 38312386560.

The previous prime is 147299289833. The next prime is 147299289859. The reversal of 147299289840 is 48982992741.

147299289840 is a `hidden beast` number, since 1 + 472 + 9 + 9 + 2 + 89 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25043700 + ... + 25049580.

It is an arithmetic number, because the mean of its divisors is an integer number (2112067386).

Almost surely, 2147299289840 is an apocalyptic number.

147299289840 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 147299289840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253448086320).

147299289840 is an abundant number, since it is smaller than the sum of its proper divisors (359596882800).

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

147299289840 is a wasteful number, since it uses less digits than its factorization.

147299289840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752 (or 6743 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 147299289840 in words is "one hundred forty-seven billion, two hundred ninety-nine million, two hundred eighty-nine thousand, eight hundred forty".