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155004533105142 = 2373690584121551
BaseRepresentation
bin100011001111100111001110…
…001000100110000111110110
3202022211021210102102112001210
4203033213032020212013312
5130304043240433331032
61305400033252502250
744435464554236520
oct4317471610460766
9668737712375053
10155004533105142
1145431064a83806
1215474b0061a986
136864b31b280c6
142a3c38bc48a10
1512dc054acd2cc
hex8cf9ce2261f6

155004533105142 has 16 divisors (see below), whose sum is σ = 354296075668992. Its totient is φ = 44287009458600.

The previous prime is 155004533105141. The next prime is 155004533105143. The reversal of 155004533105142 is 241501335400551.

It is an interprime number because it is at equal distance from previous prime (155004533105141) and next prime (155004533105143).

It is a self number, because there is not a number n which added to its sum of digits gives 155004533105142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155004533105141) 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, 1845292060734 + ... + 1845292060817.

It is an arithmetic number, because the mean of its divisors is an integer number (22143504729312).

Almost surely, 2155004533105142 is an apocalyptic number.

155004533105142 is an abundant number, since it is smaller than the sum of its proper divisors (199291542563850).

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

155004533105142 is a wasteful number, since it uses less digits than its factorization.

155004533105142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690584121563.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 155004533105142 its reverse (241501335400551), we get a palindrome (396505868505693).

The spelling of 155004533105142 in words is "one hundred fifty-five trillion, four billion, five hundred thirty-three million, one hundred five thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 3690584121551 7381168243102 11071752364653 22143504729306 25834088850857 51668177701714 77502266552571 155004533105142