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1220030041 = 17154346511
BaseRepresentation
bin100100010111000…
…0010111001011001
310011000200221120211
41020232002321121
54444311430131
6321021251121
742143040616
oct11056027131
93130627524
101220030041
1157674769a
122a0703aa1
131659b8489
14b806550d
15721955b1
hex48b82e59

1220030041 has 8 divisors (see below), whose sum is σ = 1292661504. Its totient is φ = 1147494720.

The previous prime is 1220030039. The next prime is 1220030047. The reversal of 1220030041 is 1400300221.

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 1220030041 - 21 = 1220030039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220030047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976 + ... + 49486.

It is an arithmetic number, because the mean of its divisors is an integer number (161582688).

Almost surely, 21220030041 is an apocalyptic number.

It is an amenable number.

1220030041 is a deficient number, since it is larger than the sum of its proper divisors (72631463).

1220030041 is a wasteful number, since it uses less digits than its factorization.

1220030041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48071.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220030041 is about 34928.9284261627. The cubic root of 1220030041 is about 1068.5385004872.

Adding to 1220030041 its reverse (1400300221), we get a palindrome (2620330262).

The spelling of 1220030041 in words is "one billion, two hundred twenty million, thirty thousand, forty-one".

Divisors: 1 17 1543 26231 46511 790687 71766473 1220030041