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20831332441734 = 23219296320556979
BaseRepresentation
bin1001011110010001011000…
…01010111001111010000110
32201202110022101010012110100
410233020230022321322012
510212300032101113414
6112145440525304530
74250004560131353
oct457105412717206
981673271105410
1020831332441734
116701578100a81
122405303105146
13b815036ab959
1452035599562a
15261d0dc4e609
hex12f22c2b9e86

20831332441734 has 48 divisors (see below), whose sum is σ = 47526093201600. Its totient is φ = 6576095034288.

The previous prime is 20831332441709. The next prime is 20831332441763. The reversal of 20831332441734 is 43714423313802.

20831332441734 is a `hidden beast` number, since 2 + 0 + 8 + 3 + 133 + 2 + 441 + 73 + 4 = 666.

It is a super-2 number, since 2×208313324417342 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20831332441734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9265144 + ... + 11291835.

It is an arithmetic number, because the mean of its divisors is an integer number (990126941700).

Almost surely, 220831332441734 is an apocalyptic number.

20831332441734 is an abundant number, since it is smaller than the sum of its proper divisors (26694760759866).

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

20831332441734 is a wasteful number, since it uses less digits than its factorization.

20831332441734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20559969 (or 20559966 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 20831332441734 in words is "twenty trillion, eight hundred thirty-one billion, three hundred thirty-two million, four hundred forty-one thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 2963 5926 8889 17778 26667 53334 56297 112594 168891 337782 506673 1013346 20556979 41113958 61670937 123341874 185012811 370025622 390582601 781165202 1171747803 2343495606 3515243409 7030486818 60910328777 121820657554 182730986331 365461972662 548192958993 1096385917986 1157296246763 2314592493526 3471888740289 6943777480578 10415666220867 20831332441734