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124022220421 = 1117536431687
BaseRepresentation
bin111001110000001001…
…1001110011010000101
3102212010022200120122011
41303200103032122011
54012444142023141
6132550334334221
711650246323361
oct1634023163205
9385108616564
10124022220421
1148663345930
122005295a371
13b9065b8a58
1460076022a1
15335d169881
hex1ce04ce685

124022220421 has 8 divisors (see below), whose sum is σ = 135374169024. Its totient is φ = 112683138720.

The previous prime is 124022220391. The next prime is 124022220431.

124022220421 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124022220421 - 25 = 124022220389 is a prime.

It is a super-2 number, since 2×1240222204212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124022220392 and 124022220401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124022220431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3196561 + ... + 3235126.

It is an arithmetic number, because the mean of its divisors is an integer number (16921771128).

Almost surely, 2124022220421 is an apocalyptic number.

124022220421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124022220421 is a deficient number, since it is larger than the sum of its proper divisors (11351948603).

124022220421 is a wasteful number, since it uses less digits than its factorization.

124022220421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433451.

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 124022 and 220421, that added together give a palindrome (344443).

The spelling of 124022220421 in words is "one hundred twenty-four billion, twenty-two million, two hundred twenty thousand, four hundred twenty-one".

Divisors: 1 11 1753 19283 6431687 70748557 11274747311 124022220421