Search a number
-
+
231030101154 = 23148325964273
BaseRepresentation
bin1101011100101001110…
…1111001010010100010
3211002022212220011000010
43113022131321102202
512241122201214104
6254044520505350
722456066313136
oct3271235712242
9732285804003
10231030101154
1189a855184a6
123893761b256
1318a2ac30488
14b2792713c6
156022728489
hex35ca7794a2

231030101154 has 16 divisors (see below), whose sum is σ = 462371791392. Its totient is φ = 76958102208.

The previous prime is 231030101153. The next prime is 231030101231. The reversal of 231030101154 is 451101030132.

It is a self number, because there is not a number n which added to its sum of digits gives 231030101154.

It is not an unprimeable number, because it can be changed into a prime (231030101153) 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, 12973239 + ... + 12991034.

It is an arithmetic number, because the mean of its divisors is an integer number (28898236962).

Almost surely, 2231030101154 is an apocalyptic number.

231030101154 is an abundant number, since it is smaller than the sum of its proper divisors (231341690238).

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

231030101154 is a wasteful number, since it uses less digits than its factorization.

231030101154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25965761.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 231030101154 its reverse (451101030132), we get a palindrome (682131131286).

The spelling of 231030101154 in words is "two hundred thirty-one billion, thirty million, one hundred one thousand, one hundred fifty-four".

Divisors: 1 2 3 6 1483 2966 4449 8898 25964273 51928546 77892819 155785638 38505016859 77010033718 115515050577 231030101154