Search a number
-
+
20610112006019 = 26976617516751
BaseRepresentation
bin1001010111110101010100…
…11001111010011110000011
32200222022022010211200122102
410223322222121322132003
510200134002133143034
6111500053231501015
74225013534350004
oct453725231723603
980868263750572
1020610112006019
116626776a173a8
12238a46498776b
13b666a9bb6b53
1451376b49d1ab
1525b1b283897e
hex12beaa67a783

20610112006019 has 4 divisors (see below), whose sum is σ = 20686729523040. Its totient is φ = 20533494489000.

The previous prime is 20610112006009. The next prime is 20610112006049. The reversal of 20610112006019 is 91060021101602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20610112006019 is a prime.

It is a super-2 number, since 2×206101120060192 (a number of 27 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 = 20610112005982 and 20610112006000.

It is not an unprimeable number, because it can be changed into a prime (20610112006009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38308758107 + ... + 38308758644.

It is an arithmetic number, because the mean of its divisors is an integer number (5171682380760).

Almost surely, 220610112006019 is an apocalyptic number.

20610112006019 is a deficient number, since it is larger than the sum of its proper divisors (76617517021).

20610112006019 is an equidigital number, since it uses as much as digits as its factorization.

20610112006019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76617517020.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 20610112006019 in words is "twenty trillion, six hundred ten billion, one hundred twelve million, six thousand, nineteen".

Divisors: 1 269 76617516751 20610112006019