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131404430304140 = 22572340808829287
BaseRepresentation
bin11101111000001011111010…
…011000111110001110001100
3122020021010210200101212000012
4131320023322120332032030
5114210412233124213030
61143250210101252352
736451441165263230
oct3570137230761614
9566233720355005
10131404430304140
11389623402225a4
12128a3085a040b8
1358424ccca25a6
142464018d305c0
15102d1e662b095
hex7782fa63e38c

131404430304140 has 48 divisors (see below), whose sum is σ = 329082399378432. Its totient is φ = 43094123726016.

The previous prime is 131404430304113. The next prime is 131404430304179. The reversal of 131404430304140 is 41403034404131.

It is a super-2 number, since 2×1314044303041402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131404430304097 and 131404430304106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20404411424 + ... + 20404417863.

It is an arithmetic number, because the mean of its divisors is an integer number (6855883320384).

Almost surely, 2131404430304140 is an apocalyptic number.

131404430304140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131404430304140 is an abundant number, since it is smaller than the sum of its proper divisors (197677969074292).

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

131404430304140 is a wasteful number, since it uses less digits than its factorization.

131404430304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40808829326 (or 40808829324 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131404430304140 its reverse (41403034404131), we get a palindrome (172807464708271).

The spelling of 131404430304140 in words is "one hundred thirty-one trillion, four hundred four billion, four hundred thirty million, three hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 40808829287 81617658574 163235317148 204044146435 285661805009 408088292870 571323610018 816176585740 938603073601 1142647220036 1428309025045 1877206147202 2856618050090 3754412294404 4693015368005 5713236100180 6570221515207 9386030736010 13140443030414 18772061472020 26280886060828 32851107576035 65702215152070 131404430304140