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155231103360042 = 2333378530118879
BaseRepresentation
bin100011010010111010001110…
…110001100001110000101010
3202100121221121111100000011000
4203102322032301201300222
5130321301244430010132
61310052103455415430
744461035310520523
oct4322721661416052
9670557544300130
10155231103360042
1145509160a86756
12154b09b2524576
1368802cbaa05a8
142a49322a6384a
1512e2db59ea87c
hex8d2e8ec61c2a

155231103360042 has 32 divisors (see below), whose sum is σ = 345981621772800. Its totient is φ = 51590158974144.

The previous prime is 155231103360037. The next prime is 155231103360059. The reversal of 155231103360042 is 240063301132551.

155231103360042 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 3 + 1 + 1 + 0 + 3 + 3 + 600 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 155231103359979 and 155231103360006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4265041242 + ... + 4265077637.

It is an arithmetic number, because the mean of its divisors is an integer number (10811925680400).

Almost surely, 2155231103360042 is an apocalyptic number.

155231103360042 is an abundant number, since it is smaller than the sum of its proper divisors (190750518412758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155231103360042 is a wasteful number, since it uses less digits than its factorization.

155231103360042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530119227 (or 8530119221 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 155231103360042 its reverse (240063301132551), we get a palindrome (395294404492593).

The spelling of 155231103360042 in words is "one hundred fifty-five trillion, two hundred thirty-one billion, one hundred three million, three hundred sixty thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 337 674 1011 2022 3033 6066 9099 18198 8530118879 17060237758 25590356637 51180713274 76771069911 153542139822 230313209733 460626419466 2874650062223 5749300124446 8623950186669 17247900373338 25871850560007 51743701120014 77615551680021 155231103360042