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20150352413 = 131711529903
BaseRepresentation
bin10010110001000011…
…011111101000011101
31221000022102221222122
4102301003133220131
5312231442234123
613131255552325
71312226112062
oct226103375035
957008387878
1020150352413
118600392014
123aa438b6a5
131b9189b069
14d92262c69
157ce069bc8
hex4b10dfa1d

20150352413 has 4 divisors (see below), whose sum is σ = 20151895488. Its totient is φ = 20148809340.

The previous prime is 20150352401. The next prime is 20150352449. The reversal of 20150352413 is 31425305102.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 20150352413 - 26 = 20150352349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150352913) 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, 751781 + ... + 778122.

It is an arithmetic number, because the mean of its divisors is an integer number (5037973872).

Almost surely, 220150352413 is an apocalyptic number.

It is an amenable number.

20150352413 is a deficient number, since it is larger than the sum of its proper divisors (1543075).

20150352413 is a wasteful number, since it uses less digits than its factorization.

20150352413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543074.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20150352413 its reverse (31425305102), we get a palindrome (51575657515).

The spelling of 20150352413 in words is "twenty billion, one hundred fifty million, three hundred fifty-two thousand, four hundred thirteen".

Divisors: 1 13171 1529903 20150352413