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421012313304034 = 2210506156652017
BaseRepresentation
bin101111110111010001001000…
…1011000010110101111100010
32001012200101100222210200222011
41133232202101120112233202
5420140331204201212114
64051230215304303134
7154452064413036664
oct13756422130265742
92035611328720864
10421012313304034
11112169357101151
123b27700ba71aaa
13150bc3a1b3a32a
1475d71673a4534
1533a176a7371c4
hex17ee891616be2

421012313304034 has 4 divisors (see below), whose sum is σ = 631518469956054. Its totient is φ = 210506156652016.

The previous prime is 421012313304031. The next prime is 421012313304083. The reversal of 421012313304034 is 430403313210124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 400054201836025 + 20958111468009 = 20001355^2 + 4578003^2 .

It is a super-2 number, since 2×4210123133040342 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421012313303987 and 421012313304005.

It is not an unprimeable number, because it can be changed into a prime (421012313304031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105253078326007 + ... + 105253078326010.

Almost surely, 2421012313304034 is an apocalyptic number.

421012313304034 is a deficient number, since it is larger than the sum of its proper divisors (210506156652020).

421012313304034 is a wasteful number, since it uses less digits than its factorization.

421012313304034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210506156652019.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 421012313304034 its reverse (430403313210124), we get a palindrome (851415626514158).

The spelling of 421012313304034 in words is "four hundred twenty-one trillion, twelve billion, three hundred thirteen million, three hundred four thousand, thirty-four".

Divisors: 1 2 210506156652017 421012313304034