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1230523151 = 11138605057
BaseRepresentation
bin100100101011000…
…0100101100001111
310011202110001102112
41021112010230033
510010003220101
6322034214235
742331163024
oct11126045417
93152401375
101230523151
11581664290
122a412437b
13167c20610
14b95d754b
15730696bb
hex49584b0f

1230523151 has 8 divisors (see below), whose sum is σ = 1445649744. Its totient is φ = 1032606720.

The previous prime is 1230523117. The next prime is 1230523153. The reversal of 1230523151 is 1513250321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230523151 - 210 = 1230522127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230523153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302386 + ... + 4302671.

It is an arithmetic number, because the mean of its divisors is an integer number (180706218).

Almost surely, 21230523151 is an apocalyptic number.

1230523151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1230523151 is a deficient number, since it is larger than the sum of its proper divisors (215126593).

1230523151 is a wasteful number, since it uses less digits than its factorization.

1230523151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605081.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1230523151 is about 35078.8134206390. The cubic root of 1230523151 is about 1071.5931521086.

Adding to 1230523151 its reverse (1513250321), we get a palindrome (2743773472).

The spelling of 1230523151 in words is "one billion, two hundred thirty million, five hundred twenty-three thousand, one hundred fifty-one".

Divisors: 1 11 13 143 8605057 94655627 111865741 1230523151