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6990000201212 = 227541859537191
BaseRepresentation
bin110010110110111110001…
…1110101001110111111100
3220202020102010120120021012
41211231330132221313330
51404011010022414322
622511054535054352
71321003502243660
oct145557436516774
926666363516235
106990000201212
112255495980526
1294a860b113b8
133b92009ab922
141a24641268a0
15c1c5c880ae2
hex65b7c7a9dfc

6990000201212 has 48 divisors (see below), whose sum is σ = 14022172362240. Its totient is φ = 2986690449600.

The previous prime is 6990000201193. The next prime is 6990000201241. The reversal of 6990000201212 is 2121020000996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12743537 + ... + 13280727.

It is an arithmetic number, because the mean of its divisors is an integer number (292128590880).

Almost surely, 26990000201212 is an apocalyptic number.

It is an amenable number.

6990000201212 is an abundant number, since it is smaller than the sum of its proper divisors (7032172161028).

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

6990000201212 is a wasteful number, since it uses less digits than its factorization.

6990000201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538602 (or 538600 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 6990000201212 in words is "six trillion, nine hundred ninety billion, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 541 859 1082 1718 2164 3436 3787 6013 7574 12026 15148 24052 464719 537191 929438 1074382 1858876 2148764 3253033 3760337 6506066 7520674 13012132 15041348 290620331 461447069 581240662 922894138 1162481324 1845788276 2034342317 3230129483 4068684634 6460258966 8137369268 12920517932 249642864329 499285728658 998571457316 1747500050303 3495000100606 6990000201212