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1421713455454 = 2172312311476887
BaseRepresentation
bin10100101100000100101…
…110011011100101011110
312000220200122200121201201
4110230010232123211132
5141243132121033304
63005043125230114
7204500245656625
oct24540456334536
95026618617651
101421713455454
114a8a441aa7a6
121ab654b6233a
13a40b428c676
144cb502ba6bc
1526eae53b3a4
hex14b04b9b95e

1421713455454 has 32 divisors (see below), whose sum is σ = 2358105716736. Its totient is φ = 639432562560.

The previous prime is 1421713455443. The next prime is 1421713455457. The reversal of 1421713455454 is 4545543171241.

It is a super-2 number, since 2×14217134554542 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421713455457) 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, 224199 + ... + 1701085.

It is an arithmetic number, because the mean of its divisors is an integer number (73690803648).

Almost surely, 21421713455454 is an apocalyptic number.

1421713455454 is a deficient number, since it is larger than the sum of its proper divisors (936392261282).

1421713455454 is a wasteful number, since it uses less digits than its factorization.

1421713455454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478160.

The product of its digits is 1344000, while the sum is 46.

The spelling of 1421713455454 in words is "one trillion, four hundred twenty-one billion, seven hundred thirteen million, four hundred fifty-five thousand, four hundred fifty-four".

Divisors: 1 2 17 23 34 46 391 782 1231 2462 20927 28313 41854 56626 481321 962642 1476887 2953774 25107079 33968401 50214158 67936802 577462817 1154925634 1818047897 3636095794 30906814249 41815101631 61813628498 83630203262 710856727727 1421713455454