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147018887680 = 2957471731009
BaseRepresentation
bin1000100011101100000…
…0100011001000000000
3112001110222222022120011
42020323000203020000
54402043313401210
6151312312554304
713423156632460
oct2107300431000
9461428868504
10147018887680
1157394369365
12245b03b2994
1310b2ca7bc82
1471898a3ba0
153c5701bd8a
hex223b023200

147018887680 has 320 divisors, whose sum is σ = 414217774080. Its totient is φ = 49000218624.

The previous prime is 147018887597. The next prime is 147018887711. The reversal of 147018887680 is 86788810741.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×1470188876802 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145707016 + ... + 145708024.

It is an arithmetic number, because the mean of its divisors is an integer number (1294430544).

Almost surely, 2147018887680 is an apocalyptic number.

147018887680 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 147018887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207108887040).

147018887680 is an abundant number, since it is smaller than the sum of its proper divisors (267198886400).

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

147018887680 is a wasteful number, since it uses less digits than its factorization.

147018887680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 58.

The spelling of 147018887680 in words is "one hundred forty-seven billion, eighteen million, eight hundred eighty-seven thousand, six hundred eighty".