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1231141434 = 23205190239
BaseRepresentation
bin100100101100001…
…1011101000111010
310011210121110112220
41021120123220322
510010133011214
6322055344510
742336346425
oct11130335072
93153543486
101231141434
11581a46866
122a4382136
131680a8b73
14b97189bc
157313c9a9
hex4961ba3a

1231141434 has 8 divisors (see below), whose sum is σ = 2462282880. Its totient is φ = 410380476.

The previous prime is 1231141433. The next prime is 1231141463. The reversal of 1231141434 is 4341411321.

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

1231141434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1231141433) 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, 102595114 + ... + 102595125.

It is an arithmetic number, because the mean of its divisors is an integer number (307785360).

Almost surely, 21231141434 is an apocalyptic number.

1231141434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231141434 is a wasteful number, since it uses less digits than its factorization.

1231141434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205190244.

The product of its digits is 1152, while the sum is 24.

The square root of 1231141434 is about 35087.6250834963. The cubic root of 1231141434 is about 1071.7725979788.

Adding to 1231141434 its reverse (4341411321), we get a palindrome (5572552755).

The spelling of 1231141434 in words is "one billion, two hundred thirty-one million, one hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 205190239 410380478 615570717 1231141434