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2120201013 = 371921491877
BaseRepresentation
bin111111001011111…
…1011001100110101
312110202112101000110
41332113323030311
513320232413023
6550215133233
7103353261030
oct17627731465
95422471013
102120201013
11998886447
124b2074219
1327a341918
14161828017
15c6207a93
hex7e5fb335

2120201013 has 48 divisors (see below), whose sum is σ = 3434486400. Its totient is φ = 1139467392.

The previous prime is 2120201009. The next prime is 2120201021. The reversal of 2120201013 is 3101020212.

It is not a de Polignac number, because 2120201013 - 22 = 2120201009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120201093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1128631 + ... + 1130507.

It is an arithmetic number, because the mean of its divisors is an integer number (71551800).

Almost surely, 22120201013 is an apocalyptic number.

It is an amenable number.

2120201013 is a deficient number, since it is larger than the sum of its proper divisors (1314285387).

2120201013 is a wasteful number, since it uses less digits than its factorization.

2120201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120201013 is about 46045.6405428353. The cubic root of 2120201013 is about 1284.6722582632.

Adding to 2120201013 its reverse (3101020212), we get a palindrome (5221221225).

The spelling of 2120201013 in words is "two billion, one hundred twenty million, two hundred one thousand, thirteen".

Divisors: 1 3 7 19 21 57 133 149 361 399 447 1043 1083 1877 2527 2831 3129 5631 7581 8493 13139 19817 35663 39417 53789 59451 106989 161367 249641 279673 376523 677597 748923 839019 1129569 1957711 2032791 4743179 5313787 5873133 14229537 15941361 37196509 100961953 111589527 302885859 706733671 2120201013