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23243032144 = 243837974759
BaseRepresentation
bin10101101001011001…
…001000011001010000
32012222211212101000101
4111221121020121100
5340100204012034
614402214502144
71451661341053
oct255131103120
965884771011
1023243032144
1199480a4082
124608064954
132265532177
1411a6cb2a9a
15910819514
hex569648650

23243032144 has 40 divisors (see below), whose sum is σ = 45217105920. Its totient is φ = 11574196608.

The previous prime is 23243032129. The next prime is 23243032147. The reversal of 23243032144 is 44123034232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243032147) 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, 4881637 + ... + 4886395.

It is an arithmetic number, because the mean of its divisors is an integer number (1130427648).

Almost surely, 223243032144 is an apocalyptic number.

It is an amenable number.

23243032144 is a deficient number, since it is larger than the sum of its proper divisors (21974073776).

23243032144 is a wasteful number, since it uses less digits than its factorization.

23243032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947 (or 5941 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23243032144 its reverse (44123034232), we get a palindrome (67366066376).

The spelling of 23243032144 in words is "twenty-three billion, two hundred forty-three million, thirty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 383 766 797 1532 1594 3064 3188 4759 6128 6376 9518 12752 19036 38072 76144 305251 610502 1221004 1822697 2442008 3645394 3792923 4884016 7290788 7585846 14581576 15171692 29163152 30343384 60686768 1452689509 2905379018 5810758036 11621516072 23243032144