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147897720373 = 1361313759453
BaseRepresentation
bin1000100110111101100…
…1000001111000110101
3112010202020122122101011
42021233121001320311
54410343304022443
6151535425232221
713454020611064
oct2115731017065
9463666578334
10147897720373
11577a5453377
12247b6792671
1310c3cb73b10
1472304b01db
153ca9266b9d
hex226f641e35

147897720373 has 16 divisors (see below), whose sum is σ = 161939853936. Its totient is φ = 134237859840.

The previous prime is 147897720353. The next prime is 147897720413. The reversal of 147897720373 is 373027798741.

147897720373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 385651044 + 147512069329 = 19638^2 + 384073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-147897720373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147897720353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2457915 + ... + 2517367.

It is an arithmetic number, because the mean of its divisors is an integer number (10121240871).

Almost surely, 2147897720373 is an apocalyptic number.

147897720373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

147897720373 is a deficient number, since it is larger than the sum of its proper divisors (14042133563).

147897720373 is a wasteful number, since it uses less digits than its factorization.

147897720373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62664.

The product of its (nonzero) digits is 12446784, while the sum is 58.

The spelling of 147897720373 in words is "one hundred forty-seven billion, eight hundred ninety-seven million, seven hundred twenty thousand, three hundred seventy-three".

Divisors: 1 13 61 793 3137 40781 59453 191357 772889 2487641 3626633 47146229 186504061 2424552793 11376747721 147897720373