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2135738951 = 17419439683
BaseRepresentation
bin111111101001100…
…1100101001000111
312111211202210001122
41333103030221013
513333222121301
6551532144155
7103632324113
oct17723145107
95454683048
102135738951
119a6629315
124b730805b
13280622078
14163910743
15c777681b
hex7f4cca47

2135738951 has 16 divisors (see below), whose sum is σ = 2275257600. Its totient is φ = 1997812608.

The previous prime is 2135738903. The next prime is 2135738953. The reversal of 2135738951 is 1598375312.

It is a cyclic number.

It is not a de Polignac number, because 2135738951 - 210 = 2135737927 is a prime.

It is a super-2 number, since 2×21357389512 = 9122761733637160802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135738953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3126656 + ... + 3127338.

It is an arithmetic number, because the mean of its divisors is an integer number (142203600).

Almost surely, 22135738951 is an apocalyptic number.

2135738951 is a deficient number, since it is larger than the sum of its proper divisors (139518649).

2135738951 is a wasteful number, since it uses less digits than its factorization.

2135738951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its digits is 226800, while the sum is 44.

The square root of 2135738951 is about 46214.0557731087. The cubic root of 2135738951 is about 1287.8028723604.

The spelling of 2135738951 in words is "two billion, one hundred thirty-five million, seven hundred thirty-eight thousand, nine hundred fifty-one".

Divisors: 1 17 419 439 683 7123 7463 11611 183941 286177 299837 3126997 4865009 5097229 125631703 2135738951