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152510123401 = 1123135805987
BaseRepresentation
bin1000111000001001001…
…1111100110110001001
3112120122200200222211221
42032002103330312021
54444320042422101
6154021233122041
714006225442166
oct2160223746611
9476580628757
10152510123401
1159751a96aa9
12256833b9321
13114c661468c
14754acb906d
153e79159aa1
hex23824fcd89

152510123401 has 4 divisors (see below), whose sum is σ = 152645930512. Its totient is φ = 152374316292.

The previous prime is 152510123383. The next prime is 152510123453. The reversal of 152510123401 is 104321015251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104321015251 = 781713345403.

It is a cyclic number.

It is not a de Polignac number, because 152510123401 - 221 = 152508026249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152510123501) 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, 67901871 + ... + 67904116.

It is an arithmetic number, because the mean of its divisors is an integer number (38161482628).

Almost surely, 2152510123401 is an apocalyptic number.

It is an amenable number.

152510123401 is a deficient number, since it is larger than the sum of its proper divisors (135807111).

152510123401 is a wasteful number, since it uses less digits than its factorization.

152510123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135807110.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 152510123401 its reverse (104321015251), we get a palindrome (256831138652).

The spelling of 152510123401 in words is "one hundred fifty-two billion, five hundred ten million, one hundred twenty-three thousand, four hundred one".

Divisors: 1 1123 135805987 152510123401