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1555140141361 = 22356912256103
BaseRepresentation
bin10110101000010101100…
…100110110000100110001
312111200002101112112201101
4112220111210312010301
5200434411334010421
63150231014204401
7220232552045122
oct26502544660461
95450071475641
101555140141361
1154a593081754
12211491353701
13b38590716a1
14553aa8dc049
152a6bd129191
hex16a15936131

1555140141361 has 8 divisors (see below), whose sum is σ = 1564859358720. Its totient is φ = 1545445437792.

The previous prime is 1555140141353. The next prime is 1555140141367. The reversal of 1555140141361 is 1631410415551.

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

It is a cyclic number.

It is not a de Polignac number, because 1555140141361 - 23 = 1555140141353 is a prime.

It is a super-2 number, since 2×15551401413612 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1555140141361.

It is not an unprimeable number, because it can be changed into a prime (1555140141367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6001165 + ... + 6254938.

It is an arithmetic number, because the mean of its divisors is an integer number (195607419840).

Almost surely, 21555140141361 is an apocalyptic number.

It is an amenable number.

1555140141361 is a deficient number, since it is larger than the sum of its proper divisors (9719217359).

1555140141361 is a wasteful number, since it uses less digits than its factorization.

1555140141361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256895.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 1555140141361 in words is "one trillion, five hundred fifty-five billion, one hundred forty million, one hundred forty-one thousand, three hundred sixty-one".

Divisors: 1 223 569 126887 12256103 2733110969 6973722607 1555140141361