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23045223500 = 22531319186601
BaseRepresentation
bin10101011101100110…
…100011010001001100
32012111001122122120022
4111131212203101030
5334144034123000
614330431041312
71444040111345
oct253546432114
965431578508
1023045223500
119856478562
124571970238
132233564430
1411889010cc
158ed294585
hex55d9a344c

23045223500 has 96 divisors (see below), whose sum is σ = 57055427520. Its totient is φ = 8061120000.

The previous prime is 23045223499. The next prime is 23045223529. The reversal of 23045223500 is 532254032.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 23045223500.

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 31 ways as a sum of consecutive naturals, for example, 30200 + ... + 216800.

It is an arithmetic number, because the mean of its divisors is an integer number (594327370).

Almost surely, 223045223500 is an apocalyptic number.

23045223500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23045223500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28527713760).

23045223500 is an abundant number, since it is smaller than the sum of its proper divisors (34010204020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23045223500 is a wasteful number, since it uses less digits than its factorization.

23045223500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186652 (or 186640 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 23045223500 its reverse (532254032), we get a palindrome (23577477532).

The spelling of 23045223500 in words is "twenty-three billion, forty-five million, two hundred twenty-three thousand, five hundred".

Divisors: 1 2 4 5 10 13 19 20 25 26 38 50 52 65 76 95 100 125 130 190 247 250 260 325 380 475 494 500 650 950 988 1235 1300 1625 1900 2375 2470 3250 4750 4940 6175 6500 9500 12350 24700 30875 61750 123500 186601 373202 746404 933005 1866010 2425813 3545419 3732020 4665025 4851626 7090838 9330050 9703252 12129065 14181676 17727095 18660100 23325125 24258130 35454190 46090447 46650250 48516260 60645325 70908380 88635475 92180894 93300500 121290650 177270950 184361788 230452235 242581300 303226625 354541900 443177375 460904470 606453250 886354750 921808940 1152261175 1212906500 1772709500 2304522350 4609044700 5761305875 11522611750 23045223500