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1000023214421 = 72111997648981
BaseRepresentation
bin11101000110101100000…
…01110100100101010101
310112121020100002211200102
432203112001310211111
5112341021420330141
62043223200023445
7132151336033400
oct16432601644525
93477210084612
101000023214421
11356120041270
12141989901b85
13733c003609a
143658956ad37
151b02d7ee99b
hexe8d6074955

1000023214421 has 24 divisors (see below), whose sum is σ = 1335838073760. Its totient is φ = 738226288800.

The previous prime is 1000023214417. The next prime is 1000023214423. The reversal of 1000023214421 is 1244123200001.

It is not a de Polignac number, because 1000023214421 - 22 = 1000023214417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000023214393 and 1000023214402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000023214423) 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 23 ways as a sum of consecutive naturals, for example, 48814250 + ... + 48834731.

It is an arithmetic number, because the mean of its divisors is an integer number (55659919740).

Almost surely, 21000023214421 is an apocalyptic number.

1000023214421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000023214421 is a deficient number, since it is larger than the sum of its proper divisors (335814859339).

1000023214421 is a wasteful number, since it uses less digits than its factorization.

1000023214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97649025 (or 97649018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1000023214421 its reverse (1244123200001), we get a palindrome (2244146414422).

The spelling of 1000023214421 in words is "one trillion, twenty-three million, two hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 7 11 19 49 77 133 209 539 931 1463 10241 97648981 683542867 1074138791 1855330639 4784800069 7518971537 12987314473 20408637029 52632800759 90911201311 142860459203 1000023214421