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157173030030 = 2355239101001
BaseRepresentation
bin1001001001100000111…
…1100001110010001110
3120000200122210012020110
42102120033201302032
510033342243430110
6200112043300450
714232615466152
oct2223017416216
9500618705213
10157173030030
1160725094845
1226564b1a726
1311a8a688923
1478702ad062
15414d6c6a20
hex24983e1c8e

157173030030 has 16 divisors (see below), whose sum is σ = 377215272144. Its totient is φ = 41912808000.

The previous prime is 157173030019. The next prime is 157173030059. The reversal of 157173030030 is 30030371751.

It is a super-2 number, since 2×1571730300302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5239101001 = 157173030030 / (1 + 5 + 7 + 1 + 7 + 3 + 0 + 3 + 0 + 0 + 3 + 0).

It is a self number, because there is not a number n which added to its sum of digits gives 157173030030.

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 7 ways as a sum of consecutive naturals, for example, 2619550471 + ... + 2619550530.

It is an arithmetic number, because the mean of its divisors is an integer number (23575954509).

Almost surely, 2157173030030 is an apocalyptic number.

157173030030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157173030030 is an abundant number, since it is smaller than the sum of its proper divisors (220042242114).

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

157173030030 is a wasteful number, since it uses less digits than its factorization.

157173030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239101011.

The product of its (nonzero) digits is 6615, while the sum is 30.

The spelling of 157173030030 in words is "one hundred fifty-seven billion, one hundred seventy-three million, thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 5239101001 10478202002 15717303003 26195505005 31434606006 52391010010 78586515015 157173030030