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7049905212 = 2237437326737
BaseRepresentation
bin1101001000011010…
…10000010000111100
3200012022122021212110
412210031100100330
5103414233431322
63123315534020
7336463130340
oct64415202074
920168567773
107049905212
112a98540149
121448bba310
1388475a15c
144ac42b620
152b3dc5c0c
hex1a435043c

7049905212 has 96 divisors (see below), whose sum is σ = 19501199872. Its totient is φ = 1940391936.

The previous prime is 7049905199. The next prime is 7049905229. The reversal of 7049905212 is 2125099407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250308 + ... + 277044.

Almost surely, 27049905212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7049905212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9750599936).

7049905212 is an abundant number, since it is smaller than the sum of its proper divisors (12451294660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7049905212 is a wasteful number, since it uses less digits than its factorization.

7049905212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26867 (or 26865 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 7049905212 is about 83963.7136625102. The cubic root of 7049905212 is about 1917.4663857843.

The spelling of 7049905212 in words is "seven billion, forty-nine million, nine hundred five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 73 84 86 129 146 172 219 258 292 301 438 511 516 602 876 903 1022 1204 1533 1806 2044 3066 3139 3612 6132 6278 9417 12556 18834 21973 26737 37668 43946 53474 65919 80211 87892 106948 131838 160422 187159 263676 320844 374318 561477 748636 1122954 1149691 1951801 2245908 2299382 3449073 3903602 4598764 5855403 6898146 7807204 8047837 11710806 13662607 13796292 16095674 23421612 24143511 27325214 32191348 40987821 48287022 54650428 81975642 83927443 96574044 163951284 167854886 251782329 335709772 503564658 587492101 1007129316 1174984202 1762476303 2349968404 3524952606 7049905212