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103939549780 = 2251119231081127
BaseRepresentation
bin110000011001101000…
…1111010101001010100
3100221021201121012120211
41200303101322221110
53200332011043110
6115425453135204
710336501411243
oct1406321725124
9327251535524
10103939549780
1140098191170
121818918a504
139a55a572a1
14506035a95a
152a8501d98a
hex183347aa54

103939549780 has 96 divisors (see below), whose sum is σ = 261546485760. Its totient is φ = 34250071680.

The previous prime is 103939549751. The next prime is 103939549783. The reversal of 103939549780 is 87945939301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103939549783) by changing a digit.

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, 444424 + ... + 636703.

It is an arithmetic number, because the mean of its divisors is an integer number (2724442560).

Almost surely, 2103939549780 is an apocalyptic number.

103939549780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103939549780 is an abundant number, since it is smaller than the sum of its proper divisors (157606935980).

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

103939549780 is a wasteful number, since it uses less digits than its factorization.

103939549780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081189 (or 1081187 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 103939549780 in words is "one hundred three billion, nine hundred thirty-nine million, five hundred forty-nine thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 19 20 22 23 38 44 46 55 76 92 95 110 115 190 209 220 230 253 380 418 437 460 506 836 874 1012 1045 1265 1748 2090 2185 2530 4180 4370 4807 5060 8740 9614 19228 24035 48070 96140 1081127 2162254 4324508 5405635 10811270 11892397 20541413 21622540 23784794 24865921 41082826 47569588 49731842 59461985 82165652 99463684 102707065 118923970 124329605 205414130 225955543 237847940 248659210 273525131 410828260 451911086 472452499 497318420 547050262 903822172 944904998 1094100524 1129777715 1367625655 1889809996 2259555430 2362262495 2735251310 4519110860 4724524990 5196977489 5470502620 9449049980 10393954978 20787909956 25984887445 51969774890 103939549780