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20266353731030 = 25111910319405257
BaseRepresentation
bin1001001101110101000001…
…10100001010010111010110
32122202110000000222222022212
410212322200310022113112
510124020443023343110
6111034122342553422
74161124065255521
oct446724064122726
978673000888285
1020266353731030
116503a0437a480
122333908a38872
13b401554ba344
14500c7a99dbb8
15252293769e05
hex126ea0d0a5d6

20266353731030 has 64 divisors (see below), whose sum is σ = 41930897425920. Its totient is φ = 6974937849600.

The previous prime is 20266353731023. The next prime is 20266353731083. The reversal of 20266353731030 is 3013735366202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547839 + ... + 6857418.

It is an arithmetic number, because the mean of its divisors is an integer number (655170272280).

Almost surely, 220266353731030 is an apocalyptic number.

20266353731030 is an abundant number, since it is smaller than the sum of its proper divisors (21664543694890).

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

20266353731030 is a wasteful number, since it uses less digits than its factorization.

20266353731030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406325.

The product of its (nonzero) digits is 408240, while the sum is 41.

The spelling of 20266353731030 in words is "twenty trillion, two hundred sixty-six billion, three hundred fifty-three million, seven hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1031 1045 2062 2090 5155 10310 11341 19589 22682 39178 56705 97945 113410 195890 215479 430958 1077395 2154790 9405257 18810514 47026285 94052570 103457827 178699883 206915654 357399766 517289135 893499415 1034578270 1786998830 1965698713 3931397426 9696819967 9828493565 19393639934 19656987130 48484099835 96968199670 106665019637 184239579373 213330039274 368479158746 533325098185 921197896865 1066650196370 1842395793730 2026635373103 4053270746206 10133176865515 20266353731030