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4021423122331 = 29138669762839
BaseRepresentation
bin111010100001001111011…
…111110010011110011011
3112020102222220002002000101
4322201033133302132123
51011341333304403311
612315225525520231
7563352420354526
oct72411737623633
915212886062011
104021423122331
11131052657254a
1254b466573077
132322ac289494
14dc8d0635bbd
156e916b36ec1
hex3a84f7f279b

4021423122331 has 4 divisors (see below), whose sum is σ = 4160092885200. Its totient is φ = 3882753359464.

The previous prime is 4021423122307. The next prime is 4021423122347. The reversal of 4021423122331 is 1332213241204.

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

It is a cyclic number.

It is not a de Polignac number, because 4021423122331 - 219 = 4021422598043 is a prime.

It is a super-2 number, since 2×40214231223312 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021423122331.

It is not an unprimeable number, because it can be changed into a prime (4021423122631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69334881391 + ... + 69334881448.

It is an arithmetic number, because the mean of its divisors is an integer number (1040023221300).

Almost surely, 24021423122331 is an apocalyptic number.

4021423122331 is a deficient number, since it is larger than the sum of its proper divisors (138669762869).

4021423122331 is a wasteful number, since it uses less digits than its factorization.

4021423122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138669762868.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 4021423122331 its reverse (1332213241204), we get a palindrome (5353636363535).

The spelling of 4021423122331 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 29 138669762839 4021423122331