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148319705545978 = 2312709237152921
BaseRepresentation
bin100001101110010101011111…
…010111001011110011111010
3201110011020002022000102110211
4201232111133113023303322
5123420032224104432403
61243241044310301334
743145513366434231
oct4156253727136372
9643136068012424
10148319705545978
114329404110406a
121477542935784a
13649b646802725
14288a9d7c25b18
151223208ab606d
hex86e55f5cbcfa

148319705545978 has 8 divisors (see below), whose sum is σ = 222480270715860. Its totient is φ = 74159615307360.

The previous prime is 148319705545961. The next prime is 148319705546017. The reversal of 148319705545978 is 879545507913841.

It can be written as a sum of positive squares in 2 ways, for example, as 135153715066969 + 13165990479009 = 11625563^2 + 3628497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117951043 + ... + 119201878.

Almost surely, 2148319705545978 is an apocalyptic number.

148319705545978 is a deficient number, since it is larger than the sum of its proper divisors (74160565169882).

148319705545978 is a wasteful number, since it uses less digits than its factorization.

148319705545978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237465632.

The product of its (nonzero) digits is 1524096000, while the sum is 76.

The spelling of 148319705545978 in words is "one hundred forty-eight trillion, three hundred nineteen billion, seven hundred five million, five hundred forty-five thousand, nine hundred seventy-eight".

Divisors: 1 2 312709 625418 237152921 474305842 74159852772989 148319705545978