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105212292801 = 37211243151911
BaseRepresentation
bin110000111111100100…
…1000010111011000001
3101001120102111020210020
41201333021002323001
53210433321332201
6120200040324053
710413154506300
oct1417711027301
9331512436706
10105212292801
1140690661900
1218483473629
139bc963a975
1451413c4437
152b0bb27a36
hex187f242ec1

105212292801 has 144 divisors (see below), whose sum is σ = 184959903744. Its totient is φ = 52972920000.

The previous prime is 105212292719. The next prime is 105212292827. The reversal of 105212292801 is 108292212501.

It is not a de Polignac number, because 105212292801 - 27 = 105212292673 is a prime.

It is a super-2 number, since 2×1052122928012 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105212290801) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 115490536 + ... + 115491446.

It is an arithmetic number, because the mean of its divisors is an integer number (1284443776).

Almost surely, 2105212292801 is an apocalyptic number.

105212292801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105212292801 is a deficient number, since it is larger than the sum of its proper divisors (79747610943).

105212292801 is a wasteful number, since it uses less digits than its factorization.

105212292801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 105212292801 in words is "one hundred five billion, two hundred twelve million, two hundred ninety-two thousand, eight hundred one".

Divisors: 1 3 7 11 21 33 43 49 77 121 129 147 151 231 301 363 453 473 539 847 903 911 1057 1419 1617 1661 2107 2541 2733 3171 3311 4983 5203 5929 6321 6377 6493 7399 9933 10021 11627 15609 17787 18271 19131 19479 22197 23177 30063 34881 36421 39173 44639 45451 54813 69531 70147 71423 81389 109263 110231 117519 127897 133917 136353 137561 210441 214269 244167 254947 274211 318157 330693 383691 412683 430903 491029 499961 764841 771617 785653 822633 895279 954471 962927 1292709 1473087 1499883 1513171 1919477 2314851 2356959 2685837 2888781 3016321 3499727 4539513 4739933 5401319 5499571 5758431 5915123 6740489 9048963 10499181 10592197 14219799 16203957 16498713 16644881 17745369 20221467 21114247 31776591 33179531 38496997 41405861 49934643 63342741 65066353 74145379 99538593 115490991 116514167 124217583 195199059 222436137 232256717 289841027 349542501 455464471 696770151 715729883 815599169 869523081 1366393413 2147189649 2446797507 3188251297 5010109181 9564753891 15030327543 35070764267 105212292801