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20310132422555 = 517238942734383
BaseRepresentation
bin1001001111000110100100…
…01110100111011110011011
32122220122000001022221010022
410213203102032213132123
510130230122400010210
6111110202424141055
74164234005066633
oct447432216473633
978818001287108
1020310132422555
11652052a2a5378
1223402a630778b
13b44311386141
14503030d536c3
152534a6d5e155
hex1278d23a779b

20310132422555 has 8 divisors (see below), whose sum is σ = 25805815313472. Its totient is φ = 15292335000448.

The previous prime is 20310132422543. The next prime is 20310132422663. The reversal of 20310132422555 is 55522423101302.

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 20310132422555 - 226 = 20310065313691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119471367107 + ... + 119471367276.

It is an arithmetic number, because the mean of its divisors is an integer number (3225726914184).

Almost surely, 220310132422555 is an apocalyptic number.

20310132422555 is a deficient number, since it is larger than the sum of its proper divisors (5495682890917).

20310132422555 is a wasteful number, since it uses less digits than its factorization.

20310132422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238942734405.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 20310132422555 its reverse (55522423101302), we get a palindrome (75832555523857).

The spelling of 20310132422555 in words is "twenty trillion, three hundred ten billion, one hundred thirty-two million, four hundred twenty-two thousand, five hundred fifty-five".

Divisors: 1 5 17 85 238942734383 1194713671915 4062026484511 20310132422555