Search a number
-
+
155543492157154 = 2671497790418319
BaseRepresentation
bin100011010111011101001010…
…100110001101111011100010
3202101201210221101222010121121
4203113131022212031323202
5130341411032443012104
61310451405511442454
744522434510502203
oct4327351246157342
9671653841863547
10155543492157154
1145619696348652
121554145498642a
1368a38c448207a
142a5a4b92ad5aa
1512eb09ab29254
hex8d774a98dee2

155543492157154 has 16 divisors (see below), whose sum is σ = 238386800592000. Its totient is φ = 76096806130224.

The previous prime is 155543492157103. The next prime is 155543492157197. The reversal of 155543492157154 is 451751294345551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155543492157092 and 155543492157101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895189194 + ... + 3895229125.

It is an arithmetic number, because the mean of its divisors is an integer number (14899175037000).

Almost surely, 2155543492157154 is an apocalyptic number.

155543492157154 is a deficient number, since it is larger than the sum of its proper divisors (82843308434846).

155543492157154 is a wasteful number, since it uses less digits than its factorization.

155543492157154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790418537.

The product of its digits is 75600000, while the sum is 61.

The spelling of 155543492157154 in words is "one hundred fifty-five trillion, five hundred forty-three billion, four hundred ninety-two million, one hundred fifty-seven thousand, one hundred fifty-four".

Divisors: 1 2 67 134 149 298 9983 19966 7790418319 15580836638 521958027373 1043916054746 1160772329531 2321544659062 77771746078577 155543492157154