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154202542166141 = 77311321313125299
BaseRepresentation
bin100011000011111100010011…
…101111111101000001111101
3202012222121201021222121012122
4203003330103233331001331
5130202423301243304031
61303543400411412325
744323523513601560
oct4303742357750175
9665877637877178
10154202542166141
1145151a27001087
121536559b4540a5
136807311557721
142a1162b3064d7
1512c6266b1847b
hex8c3f13bfd07d

154202542166141 has 32 divisors (see below), whose sum is σ = 180236435769600. Its totient is φ = 129202261622784.

The previous prime is 154202542166077. The next prime is 154202542166191. The reversal of 154202542166141 is 141661245202451.

It is not a de Polignac number, because 154202542166141 - 26 = 154202542166077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154202542166092 and 154202542166101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154202542166191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1230613910 + ... + 1230739208.

It is an arithmetic number, because the mean of its divisors is an integer number (5632388617800).

Almost surely, 2154202542166141 is an apocalyptic number.

It is an amenable number.

154202542166141 is a deficient number, since it is larger than the sum of its proper divisors (26033893603459).

154202542166141 is a wasteful number, since it uses less digits than its factorization.

154202542166141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146805.

The product of its (nonzero) digits is 460800, while the sum is 44.

Adding to 154202542166141 its reverse (141661245202451), we get a palindrome (295863787368592).

The spelling of 154202542166141 in words is "one hundred fifty-four trillion, two hundred two billion, five hundred forty-two million, one hundred sixty-six thousand, one hundred forty-one".

Divisors: 1 7 73 113 511 791 8249 21313 57743 125299 149191 877093 1555849 2408369 9146827 10890943 14158787 16858583 64027789 99111509 175810937 1033591451 1230676559 2670497587 7235140157 18693483109 194946323851 301766227331 1364624266957 2112363591317 22028934595163 154202542166141