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20124010401 = 3113719186291
BaseRepresentation
bin10010101111011111…
…000000011110100001
31220221110212122112120
4102233133000132201
5312203221313101
613124515214453
71311456160155
oct225737003641
956843778476
1020124010401
11859752a960
123a975a7429
131b892a7081
14d8c967065
157cbab4b36
hex4af7c07a1

20124010401 has 32 divisors (see below), whose sum is σ = 30220148736. Its totient is φ = 11804472000.

The previous prime is 20124010399. The next prime is 20124010409. The reversal of 20124010401 is 10401042102.

It is not a de Polignac number, because 20124010401 - 21 = 20124010399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20124010409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190066 + ... + 276356.

It is an arithmetic number, because the mean of its divisors is an integer number (944379648).

Almost surely, 220124010401 is an apocalyptic number.

It is an amenable number.

20124010401 is a deficient number, since it is larger than the sum of its proper divisors (10096138335).

20124010401 is a wasteful number, since it uses less digits than its factorization.

20124010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86533.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20124010401 its reverse (10401042102), we get a palindrome (30525052503).

It can be divided in two parts, 20 and 124010401, that added together give a palindrome (124010421).

The spelling of 20124010401 in words is "twenty billion, one hundred twenty-four million, ten thousand, four hundred one".

Divisors: 1 3 11 33 37 111 191 407 573 1221 2101 6303 7067 21201 77737 86291 233211 258873 949201 2847603 3192767 9578301 16481581 35120437 49444743 105361311 181297391 543892173 609818497 1829455491 6708003467 20124010401