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2047221011 = 11419444179
BaseRepresentation
bin111101000000110…
…0001110100010011
312021200012121021102
41322001201310103
513143042033021
6535051015015
7101506043243
oct17201416423
95250177242
102047221011
1196066a4a0
1249173a46b
1326819b8a4
14155c6bb23
15beade00b
hex7a061d13

2047221011 has 8 divisors (see below), whose sum is σ = 2238667200. Its totient is φ = 1856664040.

The previous prime is 2047220993. The next prime is 2047221037. The reversal of 2047221011 is 1101227402.

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

It is a de Polignac number, because none of the positive numbers 2k-2047221011 is a prime.

It is a super-2 number, since 2×20472210112 = 8382227735759724242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2047221091) 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, 217481 + ... + 226698.

It is an arithmetic number, because the mean of its divisors is an integer number (279833400).

Almost surely, 22047221011 is an apocalyptic number.

2047221011 is a deficient number, since it is larger than the sum of its proper divisors (191446189).

2047221011 is a wasteful number, since it uses less digits than its factorization.

2047221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444609.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2047221011 is about 45246.2264835422. The cubic root of 2047221011 is about 1269.7598097030.

Adding to 2047221011 its reverse (1101227402), we get a palindrome (3148448413).

The spelling of 2047221011 in words is "two billion, forty-seven million, two hundred twenty-one thousand, eleven".

Divisors: 1 11 419 4609 444179 4885969 186111001 2047221011