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214431121401 = 3723719430499
BaseRepresentation
bin1100011110110100010…
…1110011111111111001
3202111111001222121110020
43013231011303333321
512003123331341101
6242301443041053
721330542313150
oct3075505637771
9674431877406
10214431121401
1182a37861312
1235684670189
13172b4047b73
14a542940597
1558a0367136
hex31ed173ff9

214431121401 has 16 divisors (see below), whose sum is σ = 326766720000. Its totient is φ = 122526618768.

The previous prime is 214431121363. The next prime is 214431121403. The reversal of 214431121401 is 104121134412.

It is a happy number.

It is not a de Polignac number, because 214431121401 - 29 = 214431120889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214431121403) 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, 282850 + ... + 713348.

It is an arithmetic number, because the mean of its divisors is an integer number (20422920000).

Almost surely, 2214431121401 is an apocalyptic number.

214431121401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214431121401 is a deficient number, since it is larger than the sum of its proper divisors (112335598599).

214431121401 is a wasteful number, since it uses less digits than its factorization.

214431121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454228.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 214431121401 its reverse (104121134412), we get a palindrome (318552255813).

The spelling of 214431121401 in words is "two hundred fourteen billion, four hundred thirty-one million, one hundred twenty-one thousand, four hundred one".

Divisors: 1 3 7 21 23719 71157 166033 430499 498099 1291497 3013493 9040479 10211005781 30633017343 71477040467 214431121401