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20154143414 = 247214405781
BaseRepresentation
bin10010110001010001…
…111101001010110110
31221000120120120021002
4102301101331022312
5312233430042124
613131513123302
71312303251416
oct226121751266
957016516232
1020154143414
118602541279
123aa56b9532
131b925c7762
14d9296c646
157ce5680ae
hex4b147d2b6

20154143414 has 8 divisors (see below), whose sum is σ = 30874432608. Its totient is φ = 9862665880.

The previous prime is 20154143389. The next prime is 20154143431. The reversal of 20154143414 is 41434145102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107202797 + ... + 107202984.

It is an arithmetic number, because the mean of its divisors is an integer number (3859304076).

Almost surely, 220154143414 is an apocalyptic number.

20154143414 is a deficient number, since it is larger than the sum of its proper divisors (10720289194).

20154143414 is a wasteful number, since it uses less digits than its factorization.

20154143414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214405830.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20154143414 its reverse (41434145102), we get a palindrome (61588288516).

The spelling of 20154143414 in words is "twenty billion, one hundred fifty-four million, one hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 47 94 214405781 428811562 10077071707 20154143414