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23130231002 = 228759402139
BaseRepresentation
bin10101100010101010…
…110101000011011010
32012200222121110221022
4111202222311003122
5334332314343002
614343105042442
71446121501544
oct254252650332
965628543838
1023130231002
11989a45999a
124596326422
132248058b28
141195d0c694
15905986ba2
hex562ab50da

23130231002 has 8 divisors (see below), whose sum is σ = 34696639200. Its totient is φ = 11564684604.

The previous prime is 23130230999. The next prime is 23130231031. The reversal of 23130231002 is 20013203132.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143552 + ... + 258587.

It is an arithmetic number, because the mean of its divisors is an integer number (4337079900).

Almost surely, 223130231002 is an apocalyptic number.

23130231002 is a deficient number, since it is larger than the sum of its proper divisors (11566408198).

23130231002 is a wasteful number, since it uses less digits than its factorization.

23130231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430900.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23130231002 its reverse (20013203132), we get a palindrome (43143434134).

The spelling of 23130231002 in words is "twenty-three billion, one hundred thirty million, two hundred thirty-one thousand, two".

Divisors: 1 2 28759 57518 402139 804278 11565115501 23130231002