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42030202161 = 317824121611
BaseRepresentation
bin100111001001001100…
…011111110100110001
311000111011020111022010
4213021030133310301
51142034212432121
631150341033133
73015355552353
oct471114376461
9130434214263
1042030202161
1116908a53a72
12818b9b57a9
133c6a87290c
14206a0890d3
15115ed63376
hex9c931fd31

42030202161 has 8 divisors (see below), whose sum is σ = 59336756064. Its totient is φ = 26371891520.

The previous prime is 42030202147. The next prime is 42030202223. The reversal of 42030202161 is 16120203024.

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

It is a cyclic number.

It is not a de Polignac number, because 42030202161 - 214 = 42030185777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42030202061) 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 7 ways as a sum of consecutive naturals, for example, 412060755 + ... + 412060856.

It is an arithmetic number, because the mean of its divisors is an integer number (7417094508).

Almost surely, 242030202161 is an apocalyptic number.

It is an amenable number.

42030202161 is a deficient number, since it is larger than the sum of its proper divisors (17306553903).

42030202161 is a wasteful number, since it uses less digits than its factorization.

42030202161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824121631.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42030202161 its reverse (16120203024), we get a palindrome (58150405185).

The spelling of 42030202161 in words is "forty-two billion, thirty million, two hundred two thousand, one hundred sixty-one".

Divisors: 1 3 17 51 824121611 2472364833 14010067387 42030202161