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1421860968 = 2332111795279
BaseRepresentation
bin101010010111111…
…1110000001101000
310200002111000120100
41110233332001220
510402444022333
6353031225400
750143422153
oct12457760150
93602430510
101421860968
1166a670210
12338218260
13198763c68
14d6ba2c9a
1584c62213
hex54bfe068

1421860968 has 48 divisors (see below), whose sum is σ = 4200955200. Its totient is φ = 430866720.

The previous prime is 1421860961. The next prime is 1421860969. The reversal of 1421860968 is 8690681241.

1421860968 is a `hidden beast` number, since 14 + 21 + 8 + 609 + 6 + 8 = 666.

1421860968 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14218609682 = 4043377224643794048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421860961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896848 + ... + 898431.

It is an arithmetic number, because the mean of its divisors is an integer number (87519900).

Almost surely, 21421860968 is an apocalyptic number.

1421860968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1421860968 is an abundant number, since it is smaller than the sum of its proper divisors (2779094232).

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

1421860968 is a wasteful number, since it uses less digits than its factorization.

1421860968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795302 (or 1795295 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1421860968 is about 37707.5717595286. The cubic root of 1421860968 is about 1124.4816622524.

The spelling of 1421860968 in words is "one billion, four hundred twenty-one million, eight hundred sixty thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 1795279 3590558 5385837 7181116 10771674 14362232 16157511 19748069 21543348 32315022 39496138 43086696 59244207 64630044 78992276 118488414 129260088 157984552 177732621 236976828 355465242 473953656 710930484 1421860968