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104980905348361 = 7217229229692
BaseRepresentation
bin10111110111101011000101…
…100100100100110100001001
3111202201002001210110211220221
4113313223011210210310021
5102230001343232121421
61011135321230350041
731053422462063200
oct2767530544446411
9452632053424827
10104980905348361
11304a517424a2a9
12b93600495b321
13467687027c473
141bcd162622237
15c20bda9ab841
hex5f7ac5924d09

104980905348361 has 81 divisors (see below), whose sum is σ = 134399632849599. Its totient is φ = 81742575645696.

The previous prime is 104980905348353. The next prime is 104980905348439. The reversal of 104980905348361 is 163843509089401.

The square root of 104980905348361 is 10246019.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 89233056005625 + 15747849342736 = 9446325^2 + 3968356^2 .

It is not a de Polignac number, because 104980905348361 - 23 = 104980905348353 is a prime.

It is a super-2 number, since 2×1049809053483612 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104980905348361.

It is not an unprimeable number, because it can be changed into a prime (104980905348461) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 35359010085 + ... + 35359013053.

Almost surely, 2104980905348361 is an apocalyptic number.

104980905348361 is the 10246019-th square number.

104980905348361 is the 5123010-th centered octagonal number.

It is an amenable number.

104980905348361 is a deficient number, since it is larger than the sum of its proper divisors (29418727501238).

104980905348361 is an frugal number, since it uses more digits than its factorization.

104980905348361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 104980905348361 in words is "one hundred four trillion, nine hundred eighty billion, nine hundred five million, three hundred forty-eight thousand, three hundred sixty-one".

Divisors: 1 7 17 29 49 119 203 289 493 833 841 1421 2023 2969 3451 5887 8381 14161 14297 20783 24157 41209 50473 58667 86101 100079 145481 243049 353311 410669 602707 700553 858041 1463717 1701343 2473177 2496929 4218949 6006287 8814961 10246019 11909401 17478503 24883189 42044009 42447793 61704727 71722133 122349521 149854337 174182323 255633869 297134551 431933089 721612481 1048980359 1219276261 1789437083 2079941857 2547523729 4345775773 5051287367 7342862513 7413382201 12526059581 17832666103 30420430411 35359011569 51893675407 73878188141 124828662721 126027497417 212943012877 363255727849 517147316987 882192481919 2142467456089 3620031218909 6175347373433 14997272192623 104980905348361