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2135340454 = 213177961153
BaseRepresentation
bin111111101000110…
…1011010110100110
312111211000112102111
41333101223112212
513333121343304
6551515431234
7103626044242
oct17721532646
95454015374
102135340454
119a6386985
124b715551a
13280512880
14163849422
15c76e8704
hex7f46b5a6

2135340454 has 32 divisors (see below), whose sum is σ = 3698593920. Its totient is φ = 915812352.

The previous prime is 2135340371. The next prime is 2135340457. The reversal of 2135340454 is 4540435312.

It is a super-2 number, since 2×21353404542 = 9119357708977852232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135340457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4342 + ... + 65494.

It is an arithmetic number, because the mean of its divisors is an integer number (115581060).

Almost surely, 22135340454 is an apocalyptic number.

2135340454 is a deficient number, since it is larger than the sum of its proper divisors (1563253466).

2135340454 is a wasteful number, since it uses less digits than its factorization.

2135340454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61264.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2135340454 is about 46209.7441455804. The cubic root of 2135340454 is about 1287.7227724490.

Adding to 2135340454 its reverse (4540435312), we get a palindrome (6675775766).

The spelling of 2135340454 in words is "two billion, one hundred thirty-five million, three hundred forty thousand, four hundred fifty-four".

Divisors: 1 2 13 17 26 34 79 158 221 442 1027 1343 2054 2686 17459 34918 61153 122306 794989 1039601 1589978 2079202 4831087 9662174 13514813 27029626 62804131 82128479 125608262 164256958 1067670227 2135340454