Search a number
-
+
20240022115555 = 511751490013851
BaseRepresentation
bin1001001101000011111110…
…10101000001010011100011
32122122221000221102022111021
410212201333111001103203
510123103031130144210
6111014045433030311
74156202421236344
oct446417725012343
978587027368437
1020240022115555
1164a3821911aa0
12232a79a555397
13b3a81a129798
144dd89d8260cb
15251751c0ebda
hex12687f5414e3

20240022115555 has 16 divisors (see below), whose sum is σ = 26531310002688. Its totient is φ = 14700415500000.

The previous prime is 20240022115499. The next prime is 20240022115589. The reversal of 20240022115555 is 55551122004202.

It is not a de Polignac number, because 20240022115555 - 213 = 20240022107363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20240022115555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244965621 + ... + 245048230.

It is an arithmetic number, because the mean of its divisors is an integer number (1658206875168).

Almost surely, 220240022115555 is an apocalyptic number.

20240022115555 is a deficient number, since it is larger than the sum of its proper divisors (6291287887133).

20240022115555 is a wasteful number, since it uses less digits than its factorization.

20240022115555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490014618.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 20240022115555 its reverse (55551122004202), we get a palindrome (75791144119757).

The spelling of 20240022115555 in words is "twenty trillion, two hundred forty billion, twenty-two million, one hundred fifteen thousand, five hundred fifty-five".

Divisors: 1 5 11 55 751 3755 8261 41305 490013851 2450069255 5390152361 26950761805 368000402101 1840002010505 4048004423111 20240022115555