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29144131695 = 3457371092549
BaseRepresentation
bin11011001001001000…
…000010100001101111
32210020002211021210000
4123021020002201233
5434141344203240
621215535515343
72051135013660
oct331110024157
983202737700
1029144131695
11113a6114558
125794388b53
132995c80a53
1415a68d9367
15b58918430
hex6c920286f

29144131695 has 160 divisors (see below), whose sum is σ = 61907472000. Its totient is φ = 12838984704.

The previous prime is 29144131663. The next prime is 29144131771. The reversal of 29144131695 is 59613144192.

29144131695 is a `hidden beast` number, since 2 + 91 + 441 + 31 + 6 + 95 = 666.

It is not a de Polignac number, because 29144131695 - 25 = 29144131663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 29144131695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 11432281 + ... + 11434829.

It is an arithmetic number, because the mean of its divisors is an integer number (386921700).

Almost surely, 229144131695 is an apocalyptic number.

29144131695 is an abundant number, since it is smaller than the sum of its proper divisors (32763340305).

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

29144131695 is a wasteful number, since it uses less digits than its factorization.

29144131695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2710 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 29144131695 in words is "twenty-nine billion, one hundred forty-four million, one hundred thirty-one thousand, six hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 37 45 63 81 105 109 111 135 185 189 259 315 327 333 405 545 555 567 763 777 945 981 999 1295 1635 1665 2289 2331 2549 2835 2943 2997 3815 3885 4033 4905 4995 6867 6993 7647 8829 11445 11655 12099 12745 14715 14985 17843 20165 20601 20979 22941 28231 34335 34965 36297 38235 44145 53529 60495 61803 68823 84693 89215 94313 103005 104895 108891 114705 141155 160587 181485 206469 254079 267645 277841 282939 309015 326673 344115 423465 471565 481761 544455 660191 762237 802935 833523 848817 1032345 1270395 1389205 1414695 1445283 1633365 1944887 1980573 2286711 2408805 2500569 2546451 3300955 3811185 4167615 4244085 5834661 5941719 7226415 7501707 7639353 9724435 9902865 10280117 11433555 12502845 12732255 17503983 17825157 22505121 29173305 29708595 30840351 37508535 38196765 51400585 52511949 53475471 71960819 87519915 89125785 92521053 112525605 154201755 157535847 215882457 262559745 267377355 277563159 359804095 462605265 647647371 787679235 832689477 1079412285 1387815795 1942942113 3238236855 4163447385 5828826339 9714710565 29144131695