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23012004000 = 253531917667
BaseRepresentation
bin10101011011100111…
…110101000010100000
32012101202010220222110
4111123213311002200
5334112033112000
614323243035320
71443154543446
oct253347650240
965352126873
1023012004000
119839749227
12456280bb40
132229702c1b
141184334b96
158ea3d1850
hex55b9f50a0

23012004000 has 96 divisors (see below), whose sum is σ = 75387364416. Its totient is φ = 6136531200.

The previous prime is 23012003983. The next prime is 23012004017. The reversal of 23012004000 is 40021032.

It is an interprime number because it is at equal distance from previous prime (23012003983) and next prime (23012004017).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

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 15 ways as a sum of consecutive naturals, for example, 946834 + ... + 970833.

It is an arithmetic number, because the mean of its divisors is an integer number (785285046).

Almost surely, 223012004000 is an apocalyptic number.

23012004000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012004000 is an abundant number, since it is smaller than the sum of its proper divisors (52375360416).

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

23012004000 is a wasteful number, since it uses less digits than its factorization.

23012004000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917695 (or 1917677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 23012004000 its reverse (40021032), we get a palindrome (23052025032).

The spelling of 23012004000 in words is "twenty-three billion, twelve million, four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 6000 12000 1917667 3835334 5753001 7670668 9588335 11506002 15341336 19176670 23012004 28765005 30682672 38353340 46024008 47941675 57530010 61365344 76706680 92048016 95883350 115060020 143825025 153413360 184096032 191766700 230120040 239708375 287650050 306826720 383533400 460240080 479416750 575300100 719125125 767066800 920480160 958833500 1150600200 1438250250 1534133600 1917667000 2301200400 2876500500 3835334000 4602400800 5753001000 7670668000 11506002000 23012004000