Search a number
-
+
23661032473 = 134144998869
BaseRepresentation
bin10110000010010011…
…101011010000011001
32021001222101222200001
4112002103223100121
5341424211014343
614511510013001
71465225312651
oct260223532031
967058358601
1023661032473
11a0420439a1
124704047161
132301006940
141206601361
1593738644d
hex5824eb419

23661032473 has 16 divisors (see below), whose sum is σ = 26161002000. Its totient is φ = 21260574720.

The previous prime is 23661032407. The next prime is 23661032501. The reversal of 23661032473 is 37423016632.

It can be written as a sum of positive squares in 8 ways, for example, as 362978704 + 23298053769 = 19052^2 + 152637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23661032473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23661032173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189883 + ... + 288751.

It is an arithmetic number, because the mean of its divisors is an integer number (1635062625).

Almost surely, 223661032473 is an apocalyptic number.

It is an amenable number.

23661032473 is a deficient number, since it is larger than the sum of its proper divisors (2499969527).

23661032473 is a wasteful number, since it uses less digits than its factorization.

23661032473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99372.

The product of its (nonzero) digits is 108864, while the sum is 37.

It can be divided in two parts, 2366103 and 2473, that added together give a triangular number (2368576 = T2176).

The spelling of 23661032473 in words is "twenty-three billion, six hundred sixty-one million, thirty-two thousand, four hundred seventy-three".

Divisors: 1 13 41 449 533 5837 18409 98869 239317 1285297 4053629 44392181 52697177 577098353 1820079421 23661032473