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152540202401 = 374122708173
BaseRepresentation
bin1000111000010000011…
…0101100010110100001
3112120201210022011110222
42032010012230112201
54444400242434101
6154024225532425
714010042220106
oct2160406542641
9476653264428
10152540202401
1159767a70884
12256914a4115
13114cc9165c2
147550ca8aad
153e7baec01b
hex23841ac5a1

152540202401 has 4 divisors (see below), whose sum is σ = 156662910612. Its totient is φ = 148417494192.

The previous prime is 152540202389. The next prime is 152540202403. The reversal of 152540202401 is 104202045251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 111836736400 + 40703466001 = 334420^2 + 201751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-152540202401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152540202403) 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, 2061354050 + ... + 2061354123.

It is an arithmetic number, because the mean of its divisors is an integer number (39165727653).

Almost surely, 2152540202401 is an apocalyptic number.

It is an amenable number.

152540202401 is a deficient number, since it is larger than the sum of its proper divisors (4122708211).

152540202401 is an equidigital number, since it uses as much as digits as its factorization.

152540202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122708210.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 152540202401 its reverse (104202045251), we get a palindrome (256742247652).

The spelling of 152540202401 in words is "one hundred fifty-two billion, five hundred forty million, two hundred two thousand, four hundred one".

Divisors: 1 37 4122708173 152540202401