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131403400421052 = 2231391631877257489
BaseRepresentation
bin11101111000001010111101…
…000000010001111010111100
3122020021001010220111101000010
4131320022331000101322330
5114210403131001433202
61143245515551303220
736451403521361514
oct3570127500217274
9566231126441003
10131403400421052
1138961961949151
12128a2a38b1ab10
135842397801706
142463d5c244844
15102d185ee576c
hex7782bd011ebc

131403400421052 has 96 divisors (see below), whose sum is σ = 310875051513600. Its totient is φ = 43196038566912.

The previous prime is 131403400421023. The next prime is 131403400421063. The reversal of 131403400421052 is 250124004304131.

It is a congruent number.

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, 510197524 + ... + 510455012.

It is an arithmetic number, because the mean of its divisors is an integer number (3238281786600).

Almost surely, 2131403400421052 is an apocalyptic number.

131403400421052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131403400421052 is an abundant number, since it is smaller than the sum of its proper divisors (179471651092548).

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

131403400421052 is a wasteful number, since it uses less digits than its factorization.

131403400421052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259675 (or 259673 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 131403400421052 its reverse (250124004304131), we get a palindrome (381527404725183).

The spelling of 131403400421052 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred million, four hundred twenty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 12 139 163 278 326 417 489 556 652 834 978 1668 1877 1956 3754 5631 7508 11262 22524 22657 45314 67971 90628 135942 257489 260903 271884 305951 514978 521806 611902 772467 782709 917853 1029956 1043612 1223804 1544934 1565418 1835706 3089868 3130836 3671412 35790971 41970707 42527189 71581942 83941414 85054378 107372913 125912121 127581567 143163884 167882828 170108756 214745826 251824242 255163134 429491652 483306853 503648484 510326268 966613706 1449920559 1933227412 2899841118 5799682236 5833928273 11667856546 17501784819 23335713092 35003569638 67179652567 70007139276 78779017039 134359305134 157558034078 201538957701 236337051117 268718610268 315116068156 403077915402 472674102234 806155830804 945348204468 10950283368421 21900566736842 32850850105263 43801133473684 65701700210526 131403400421052