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131403425455044 = 223327136131242641
BaseRepresentation
bin11101111000001010111110…
…011111110001101111000100
3122020021001012122121020012000
4131320022332133301233010
5114210403203404030134
61143245522244025300
736451404244225101
oct3570127637615704
9566231178536160
10131403425455044
1138961974a975a6
12128a2a45392230
13584239ca58222
142463d616bdaa8
15102d1882dce99
hex7782be7f1bc4

131403425455044 has 96 divisors (see below), whose sum is σ = 342027567598080. Its totient is φ = 43627400409600.

The previous prime is 131403425455033. The next prime is 131403425455121. The reversal of 131403425455044 is 440554524304131.

131403425455044 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 3 + 4 + 2 + 54 + 550 + 44 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105123964 + ... + 106366604.

It is an arithmetic number, because the mean of its divisors is an integer number (3562787162480).

Almost surely, 2131403425455044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131403425455044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171013783799040).

131403425455044 is an abundant number, since it is smaller than the sum of its proper divisors (210624142143036).

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

131403425455044 is a wasteful number, since it uses less digits than its factorization.

131403425455044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246538 (or 1246530 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 131403425455044 its reverse (440554524304131), we get a palindrome (571957949759175).

The spelling of 131403425455044 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred twenty-five million, four hundred fifty-five thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 271 542 813 1084 1626 2439 3252 3613 4878 7226 7317 9756 10839 14452 14634 21678 29268 32517 43356 65034 97551 130068 195102 390204 979123 1242641 1958246 2485282 2937369 3727923 3916492 4970564 5874738 7455846 8812107 11183769 11749476 14911692 17624214 22367538 26436321 33551307 35248428 44735076 52872642 67102614 105745284 134205228 336755711 673511422 1010267133 1347022844 2020534266 3030801399 4041068532 4489661933 6061602798 8979323866 9092404197 12123205596 13468985799 17958647732 18184808394 26937971598 36369616788 40406957397 53875943196 80813914794 121220872191 161627829588 242441744382 484883488764 1216698383843 2433396767686 3650095151529 4866793535372 7300190303058 10950285454587 14600380606116 21900570909174 32850856363761 43801141818348 65701712727522 131403425455044