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1380540351553 = 11243709374239
BaseRepresentation
bin10100000101101110100…
…111100000010001000001
311212222102020020020012121
4110011232213200101001
5140104321312222203
62534113402524241
7201512035241056
oct24055647402101
94788366206177
101380540351553
11492536046400
121a3684206681
13a0252171bac
144ab65dc102d
1525d9ea7d0bd
hex1416e9e0441

1380540351553 has 24 divisors (see below), whose sum is σ = 1554937260800. Its totient is φ = 1224117528480.

The previous prime is 1380540351539. The next prime is 1380540351647. The reversal of 1380540351553 is 3551530450831.

It is not a de Polignac number, because 1380540351553 - 213 = 1380540343361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1380540351353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3501808 + ... + 3876046.

Almost surely, 21380540351553 is an apocalyptic number.

It is an amenable number.

1380540351553 is a deficient number, since it is larger than the sum of its proper divisors (174396909247).

1380540351553 is a wasteful number, since it uses less digits than its factorization.

1380540351553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375013 (or 375002 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 1380540351553 in words is "one trillion, three hundred eighty billion, five hundred forty million, three hundred fifty-one thousand, five hundred fifty-three".

Divisors: 1 11 43 121 473 709 5203 7799 30487 85789 335357 374239 3688927 4116629 16092277 45282919 177015047 265335451 1947165517 2918689961 11409424393 32105589571 125503668323 1380540351553