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21223143000140 = 22553113177184363
BaseRepresentation
bin1001101001101011001011…
…11001100100100001001100
32210010220122022210211112112
410310311211321210201030
510240204444102001030
6113045435521323152
74320215161001354
oct464654571444114
983126568724475
1021223143000140
116842758a34724
12246922b7964b8
13bac445478663
145352c4259b64
1526c0e16cba95
hex134d65e6484c

21223143000140 has 48 divisors (see below), whose sum is σ = 45811371680928. Its totient is φ = 8255373794304.

The previous prime is 21223143000139. The next prime is 21223143000151. The reversal of 21223143000140 is 4100034132212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88472402 + ... + 88711961.

It is an arithmetic number, because the mean of its divisors is an integer number (954403576686).

Almost surely, 221223143000140 is an apocalyptic number.

21223143000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223143000140 is an abundant number, since it is smaller than the sum of its proper divisors (24588228680788).

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

21223143000140 is a wasteful number, since it uses less digits than its factorization.

21223143000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177184538 (or 177184536 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21223143000140 its reverse (4100034132212), we get a palindrome (25323177132352).

The spelling of 21223143000140 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred forty-three million, one hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 53 106 113 212 226 265 452 530 565 1060 1130 2260 5989 11978 23956 29945 59890 119780 177184363 354368726 708737452 885921815 1771843630 3543687260 9390771239 18781542478 20021833019 37563084956 40043666038 46953856195 80087332076 93907712390 100109165095 187815424780 200218330190 400436660380 1061157150007 2122314300014 4244628600028 5305785750035 10611571500070 21223143000140