Search a number
-
+
23001001244 = 2213716229957
BaseRepresentation
bin10101011010111101…
…110110110100011100
32012100222102221000222
4111122331312310130
5334101224014434
614322211140512
71442662166444
oct253275666434
965328387028
1023001001244
119833513741
12455aba4738
13222734cb10
141182aad124
158e945b72e
hex55af76d1c

23001001244 has 24 divisors (see below), whose sum is σ = 43958583648. Its totient is φ = 10466326080.

The previous prime is 23001001237. The next prime is 23001001249. The reversal of 23001001244 is 44210010032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001001249) 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, 3111287 + ... + 3118670.

It is an arithmetic number, because the mean of its divisors is an integer number (1831607652).

Almost surely, 223001001244 is an apocalyptic number.

It is an amenable number.

23001001244 is a deficient number, since it is larger than the sum of its proper divisors (20957582404).

23001001244 is a wasteful number, since it uses less digits than its factorization.

23001001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230045 (or 6230043 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23001001244 its reverse (44210010032), we get a palindrome (67211011276).

The spelling of 23001001244 in words is "twenty-three billion, one million, one thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 71 142 284 923 1846 3692 6229957 12459914 24919828 80989441 161978882 323957764 442326947 884653894 1769307788 5750250311 11500500622 23001001244