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1344435123442 = 21739542209513
BaseRepresentation
bin10011100100000110100…
…100111111010011110010
311202112012222212121022211
4103210012210333103302
5134011400342422232
62505342554322334
7166063232665255
oct23440644772362
94675188777284
101344435123442
1147919863a104
121986887293aa
1399a19c899a8
14490dcbb509c
1524e89e82a47
hex1390693f4f2

1344435123442 has 8 divisors (see below), whose sum is σ = 2135279313756. Its totient is φ = 632675352192.

The previous prime is 1344435123413. The next prime is 1344435123443. The reversal of 1344435123442 is 2443215344431.

It can be written as a sum of positive squares in 2 ways, for example, as 1301125767561 + 43309355881 = 1140669^2 + 208109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13444351234422 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344435123395 and 1344435123404.

It is not an unprimeable number, because it can be changed into a prime (1344435123443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19771104723 + ... + 19771104790.

Almost surely, 21344435123442 is an apocalyptic number.

1344435123442 is a deficient number, since it is larger than the sum of its proper divisors (790844190314).

1344435123442 is a wasteful number, since it uses less digits than its factorization.

1344435123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39542209532.

The product of its digits is 552960, while the sum is 40.

The spelling of 1344435123442 in words is "one trillion, three hundred forty-four billion, four hundred thirty-five million, one hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 17 34 39542209513 79084419026 672217561721 1344435123442