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19741149361990 = 2571516311295937
BaseRepresentation
bin1000111110100010110000…
…01100011111011101000110
32120220020100122022122122201
410133101120030133131012
510041414333214040430
6105552543034345114
74105152040632520
oct437213014373506
976806318278581
1019741149361990
1163211a1189521
122269b72b8b19a
13b027756ac244
144c36961d4a10
152437a50458ca
hex11f45831f746

19741149361990 has 64 divisors (see below), whose sum is σ = 40885922838528. Its totient is φ = 6722482176000.

The previous prime is 19741149361957. The next prime is 19741149362069. The reversal of 19741149361990 is 9916394114791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66559302 + ... + 66855238.

It is an arithmetic number, because the mean of its divisors is an integer number (638842544352).

Almost surely, 219741149361990 is an apocalyptic number.

19741149361990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19741149361990 is an abundant number, since it is smaller than the sum of its proper divisors (21144773476538).

19741149361990 is a wasteful number, since it uses less digits than its factorization.

19741149361990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302413.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The spelling of 19741149361990 in words is "nineteen trillion, seven hundred forty-one billion, one hundred forty-nine million, three hundred sixty-one thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 151 302 755 1057 1510 2114 5285 6311 10570 12622 31555 44177 63110 88354 220885 295937 441770 591874 952961 1479685 1905922 2071559 2959370 4143118 4764805 6670727 9529610 10357795 13341454 20715590 33353635 44686487 66707270 89372974 223432435 312805409 446864870 625610818 1564027045 1867658407 3128054090 3735316814 9338292035 13073608849 18676584070 26147217698 65368044245 130736088490 282016419457 564032838914 1410082097285 1974114936199 2820164194570 3948229872398 9870574680995 19741149361990