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2104224213 = 371316347287
BaseRepresentation
bin111110101101011…
…1110100111010101
312102122110122222010
41331122332213111
513302140133323
6544444454433
7103100416320
oct17532764725
95378418863
102104224213
1198a863883
124a884a419
13276c397b0
1415d6697b7
15c4aedc93
hex7d6be9d5

2104224213 has 32 divisors (see below), whose sum is σ = 3474343936. Its totient is φ = 1103087808.

The previous prime is 2104224211. The next prime is 2104224223. The reversal of 2104224213 is 3124224012.

It is not a de Polignac number, because 2104224213 - 21 = 2104224211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104224213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104224211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20856 + ... + 68142.

It is an arithmetic number, because the mean of its divisors is an integer number (108573248).

Almost surely, 22104224213 is an apocalyptic number.

It is an amenable number.

2104224213 is a deficient number, since it is larger than the sum of its proper divisors (1370119723).

2104224213 is a wasteful number, since it uses less digits than its factorization.

2104224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47473.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2104224213 is about 45871.8237374535. The cubic root of 2104224213 is about 1281.4372310385.

Adding to 2104224213 its reverse (3124224012), we get a palindrome (5228448225).

The spelling of 2104224213 in words is "two billion, one hundred four million, two hundred twenty-four thousand, two hundred thirteen".

Divisors: 1 3 7 13 21 39 91 163 273 489 1141 2119 3423 6357 14833 44499 47287 141861 331009 614731 993027 1844193 4303117 7707781 12909351 23123343 53954467 100201153 161863401 300603459 701408071 2104224213