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155034301212 = 22337205071827
BaseRepresentation
bin1001000001100011000…
…0111011001100011100
3112211011121101111212000
42100120300323030130
510020002240114322
6155115523042300
714125615550160
oct2203060731434
9484147344760
10155034301212
115a82790416a
1226068810390
131180955aa0b
14770a220ca0
154075a5e3ac
hex2418c3b31c

155034301212 has 48 divisors (see below), whose sum is σ = 459360894720. Its totient is φ = 44295514416.

The previous prime is 155034301151. The next prime is 155034301217. The reversal of 155034301212 is 212103430551.

155034301212 is a `hidden beast` number, since 1 + 5 + 503 + 4 + 30 + 121 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155034301217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102535158 + ... + 102536669.

It is an arithmetic number, because the mean of its divisors is an integer number (9570018640).

Almost surely, 2155034301212 is an apocalyptic number.

155034301212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155034301212 is an abundant number, since it is smaller than the sum of its proper divisors (304326593508).

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

155034301212 is a wasteful number, since it uses less digits than its factorization.

155034301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205071847 (or 205071839 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 155034301212 its reverse (212103430551), we get a palindrome (367137731763).

The spelling of 155034301212 in words is "one hundred fifty-five billion, thirty-four million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 205071827 410143654 615215481 820287308 1230430962 1435502789 1845646443 2460861924 2871005578 3691292886 4306508367 5536939329 5742011156 7382585772 8613016734 11073878658 12919525101 17226033468 22147757316 25839050202 38758575303 51678100404 77517150606 155034301212