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131402354421442 = 21318128398665379
BaseRepresentation
bin11101111000001001111110…
…101010000110111011000010
3122020020221110000021002021211
4131320021332222012323002
5114210344010212441232
61143245224104040334
736451335560464126
oct3570117652067302
9566227400232254
10131402354421442
1138961475467165
12128a27a67630aa
13584225bba9c30
142463c9d361586
15102d124279a47
hex77827ea86ec2

131402354421442 has 32 divisors (see below), whose sum is σ = 214192278780480. Its totient is φ = 60099055047360.

The previous prime is 131402354421439. The next prime is 131402354421473. The reversal of 131402354421442 is 244124453204131.

It is a junction number, because it is equal to n+sod(n) for n = 131402354421395 and 131402354421404.

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, 48000892 + ... + 50664487.

It is an arithmetic number, because the mean of its divisors is an integer number (6693508711890).

Almost surely, 2131402354421442 is an apocalyptic number.

131402354421442 is a deficient number, since it is larger than the sum of its proper divisors (82789924359038).

131402354421442 is a wasteful number, since it uses less digits than its factorization.

131402354421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98665858.

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 131402354421442 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred fifty-four million, four hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 13 26 181 283 362 566 2353 3679 4706 7358 51223 102446 665899 1331798 98665379 197330758 1282649927 2565299854 17858433599 27922302257 35716867198 55844604514 232159636787 362989929341 464319273574 725979858682 5053936708517 10107873417034 65701177210721 131402354421442