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147919979064 = 2331113193721657
BaseRepresentation
bin1000100111000010110…
…1111100001000111000
3112010210210112111120010
42021300231330020320
54410420003312224
6151541542301520
713454411035164
oct2116055741070
9463723474503
10147919979064
1157806a76690
12248021278a0
1310c44668340
147233425ca4
153cab1b1e29
hex2270b7c238

147919979064 has 384 divisors, whose sum is σ = 470293689600. Its totient is φ = 38116085760.

The previous prime is 147919979033. The next prime is 147919979087. The reversal of 147919979064 is 460979919741.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 147919978986 and 147919979004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89268924 + ... + 89270580.

It is an arithmetic number, because the mean of its divisors is an integer number (1224723150).

Almost surely, 2147919979064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147919979064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235146844800).

147919979064 is an abundant number, since it is smaller than the sum of its proper divisors (322373710536).

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

147919979064 is a wasteful number, since it uses less digits than its factorization.

147919979064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 66.

The spelling of 147919979064 in words is "one hundred forty-seven billion, nine hundred nineteen million, nine hundred seventy-nine thousand, sixty-four".