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147421681752 = 23319873091379
BaseRepresentation
bin1000100101001100000…
…1000101100001011000
3112002112001220101011010
42021103001011201120
54403404422304002
6151420302133520
713436150422302
oct2112301054130
9462461811133
10147421681752
1157580772524
12246a32812a0
1310b9535b267
1471c7194972
153c7c58346c
hex2253045858

147421681752 has 32 divisors (see below), whose sum is σ = 368739806400. Its totient is φ = 49115813664.

The previous prime is 147421681721. The next prime is 147421681753. The reversal of 147421681752 is 257186124741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147421681753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498002 + ... + 1593377.

It is an arithmetic number, because the mean of its divisors is an integer number (11523118950).

Almost surely, 2147421681752 is an apocalyptic number.

147421681752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147421681752 is an abundant number, since it is smaller than the sum of its proper divisors (221318124648).

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

147421681752 is a wasteful number, since it uses less digits than its factorization.

147421681752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093375 (or 3093371 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The spelling of 147421681752 in words is "one hundred forty-seven billion, four hundred twenty-one million, six hundred eighty-one thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 1987 3974 5961 7948 11922 15896 23844 47688 3091379 6182758 9274137 12365516 18548274 24731032 37096548 74193096 6142570073 12285140146 18427710219 24570280292 36855420438 49140560584 73710840876 147421681752