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147199949568 = 283476531553
BaseRepresentation
bin1000100100010111001…
…1001111101100000000
3112001221121200012210000
42021011303033230000
54402431141341233
6151342301440000
713430515632630
oct2110563175400
9461847605700
10147199949568
1157477596891
1224640b70000
1310b5b435299
1471a59566c0
153c67d84d13
hex2245ccfb00

147199949568 has 360 divisors, whose sum is σ = 502718676768. Its totient is φ = 41965682688.

The previous prime is 147199949549. The next prime is 147199949569. The reversal of 147199949568 is 865949991741.

147199949568 is a `hidden beast` number, since 1 + 4 + 7 + 19 + 9 + 9 + 49 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 147199949496 and 147199949505.

It is not an unprimeable number, because it can be changed into a prime (147199949569) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94783480 + ... + 94785032.

Almost surely, 2147199949568 is an apocalyptic number.

147199949568 is a gapful number since it is divisible by the number (18) 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 147199949568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251359338384).

147199949568 is an abundant number, since it is smaller than the sum of its proper divisors (355518727200).

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

147199949568 is an equidigital number, since it uses as much as digits as its factorization.

147199949568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2218 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 72.

The spelling of 147199949568 in words is "one hundred forty-seven billion, one hundred ninety-nine million, nine hundred forty-nine thousand, five hundred sixty-eight".