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155104316060227 = 1311847118233541
BaseRepresentation
bin100011010001000100001001…
…101010010111001001000011
3202100011211100110122211122221
4203101010021222113021003
5130312212114402411402
61305513534503511511
744445626354330152
oct4321041152271103
9670154313584587
10155104316060227
114546a409944846
1215490309758597
1368713746931b1
142a4313612b599
1512de944c43337
hex8d1109a97243

155104316060227 has 4 divisors (see below), whose sum is σ = 155104435605616. Its totient is φ = 155104196514840.

The previous prime is 155104316060171. The next prime is 155104316060233. The reversal of 155104316060227 is 722060613401551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-155104316060227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155104316060527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57804924 + ... + 60428617.

It is an arithmetic number, because the mean of its divisors is an integer number (38776108901404).

Almost surely, 2155104316060227 is an apocalyptic number.

155104316060227 is a deficient number, since it is larger than the sum of its proper divisors (119545389).

155104316060227 is a wasteful number, since it uses less digits than its factorization.

155104316060227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119545388.

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 155104316060227 its reverse (722060613401551), we get a palindrome (877164929461778).

The spelling of 155104316060227 in words is "one hundred fifty-five trillion, one hundred four billion, three hundred sixteen million, sixty thousand, two hundred twenty-seven".

Divisors: 1 1311847 118233541 155104316060227