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23220302000 = 245373153503
BaseRepresentation
bin10101101000000010…
…011011000010110000
32012221021002120010012
4111220002123002300
5340023344131000
614400043354052
71451264211320
oct255002330260
965837076105
1023220302000
119936289635
124600522928
13226090418c
1411a3c77280
1590d829735
hex56809b0b0

23220302000 has 160 divisors (see below), whose sum is σ = 66238808064. Its totient is φ = 7704288000.

The previous prime is 23220301999. The next prime is 23220302069. The reversal of 23220302000 is 20302232.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407249 + ... + 460751.

Almost surely, 223220302000 is an apocalyptic number.

23220302000 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 23220302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33119404032).

23220302000 is an abundant number, since it is smaller than the sum of its proper divisors (43018506064).

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

23220302000 is a wasteful number, since it uses less digits than its factorization.

23220302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53564 (or 53548 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 23220302000 its reverse (20302232), we get a palindrome (23240604232).

The spelling of 23220302000 in words is "twenty-three billion, two hundred twenty million, three hundred two thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 31 35 40 50 56 62 70 80 100 112 124 125 140 155 175 200 217 248 250 280 310 350 400 434 496 500 560 620 700 775 868 875 1000 1085 1240 1400 1550 1736 1750 2000 2170 2480 2800 3100 3472 3500 3875 4340 5425 6200 7000 7750 8680 10850 12400 14000 15500 17360 21700 27125 31000 43400 53503 54250 62000 86800 107006 108500 214012 217000 267515 374521 428024 434000 535030 749042 856048 1070060 1337575 1498084 1658593 1872605 2140120 2675150 2996168 3317186 3745210 4280240 5350300 5992336 6634372 6687875 7490420 8292965 9363025 10700600 11610151 13268744 13375750 14980840 16585930 18726050 21401200 23220302 26537488 26751500 29961680 33171860 37452100 41464825 46440604 46815125 53503000 58050755 66343720 74904200 82929650 92881208 93630250 107006000 116101510 132687440 149808400 165859300 185762416 187260500 207324125 232203020 290253775 331718600 374521000 414648250 464406040 580507550 663437200 749042000 829296500 928812080 1161015100 1451268875 1658593000 2322030200 2902537750 3317186000 4644060400 5805075500 11610151000 23220302000