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23031451042 = 2107214350221
BaseRepresentation
bin10101011100110010…
…000000110110100010
32012110002201221022021
4111130302000312202
5334132022413132
614325215532054
71443512050405
oct253462006642
965402657267
1023031451042
119849721066
12456922a02a
132230751752
141186b57d3c
158ebe73997
hex55cc80da2

23031451042 has 16 divisors (see below), whose sum is σ = 34887013632. Its totient is φ = 11402551440.

The previous prime is 23031451021. The next prime is 23031451057. The reversal of 23031451042 is 24015413032.

It is a junction number, because it is equal to n+sod(n) for n = 23031450998 and 23031451016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433492 + ... + 483712.

It is an arithmetic number, because the mean of its divisors is an integer number (2180438352).

Almost surely, 223031451042 is an apocalyptic number.

23031451042 is a deficient number, since it is larger than the sum of its proper divisors (11855562590).

23031451042 is a wasteful number, since it uses less digits than its factorization.

23031451042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52473.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23031451042 its reverse (24015413032), we get a palindrome (47046864074).

The spelling of 23031451042 in words is "twenty-three billion, thirty-one million, four hundred fifty-one thousand, forty-two".

Divisors: 1 2 107 214 2143 4286 50221 100442 229301 458602 5373647 10747294 107623603 215247206 11515725521 23031451042