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2119499740 = 225589717971
BaseRepresentation
bin111111001010100…
…1111111111011100
312110201012202001101
41332111033333130
513320042442430
6550152122444
7103344310351
oct17625177734
95421182041
102119499740
11998447586
124b1996424
1327a157677
141616c4628
15c6119dca
hex7e54ffdc

2119499740 has 24 divisors (see below), whose sum is σ = 4451951952. Its totient is φ = 847608960.

The previous prime is 2119499731. The next prime is 2119499773. The reversal of 2119499740 is 479949112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108955 + ... + 126925.

It is an arithmetic number, because the mean of its divisors is an integer number (185497998).

Almost surely, 22119499740 is an apocalyptic number.

2119499740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2119499740 is an abundant number, since it is smaller than the sum of its proper divisors (2332452212).

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

2119499740 is a wasteful number, since it uses less digits than its factorization.

2119499740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23877 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2119499740 is about 46038.0249359157. The cubic root of 2119499740 is about 1284.5306041922.

The spelling of 2119499740 in words is "two billion, one hundred nineteen million, four hundred ninety-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 5897 11794 17971 23588 29485 35942 58970 71884 89855 117940 179710 359420 105974987 211949974 423899948 529874935 1059749870 2119499740