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20247552341507 = 199671361809719
BaseRepresentation
bin1001001101010010000000…
…01010100011011000000011
32122200122110201212102112202
410212221000022203120003
510123213441344412012
6111021332551543415
74156560136142021
oct446510012433003
978618421772482
1020247552341507
1164a6a36498227
12233014038ab6b
13b3b44a23b59a
144dddb5965711
15251a42d62cc2
hex126a402a3603

20247552341507 has 16 divisors (see below), whose sum is σ = 21350956070400. Its totient is φ = 19147952154240.

The previous prime is 20247552341503. The next prime is 20247552341531. The reversal of 20247552341507 is 70514325574202.

It is a cyclic number.

It is not a de Polignac number, because 20247552341507 - 22 = 20247552341503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20247552341503) 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, 24600794 + ... + 25410512.

It is an arithmetic number, because the mean of its divisors is an integer number (1334434754400).

Almost surely, 220247552341507 is an apocalyptic number.

20247552341507 is a deficient number, since it is larger than the sum of its proper divisors (1103403728893).

20247552341507 is a wasteful number, since it uses less digits than its factorization.

20247552341507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812066.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 20247552341507 in words is "twenty trillion, two hundred forty-seven billion, five hundred fifty-two million, three hundred forty-one thousand, five hundred seven".

Divisors: 1 19 967 1361 18373 25859 809719 1316087 15384661 25005653 782998273 1102027559 14876967187 20938523621 1065660649553 20247552341507