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155345050211 = 1397123191951
BaseRepresentation
bin1001000010101101001…
…0010101101001100011
3112211222021010012100012
42100223102111221203
510021121313101321
6155210423315135
714136411066011
oct2205322255143
9484867105305
10155345050211
115a97725a51a
12261348abaab
1311858a50270
1477395d18b1
154092e9305b
hex242b495a63

155345050211 has 8 divisors (see below), whose sum is σ = 169019358144. Its totient is φ = 141917126400.

The previous prime is 155345050123. The next prime is 155345050247. The reversal of 155345050211 is 112050543551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155345050211 - 210 = 155345049187 is a prime.

It is a super-2 number, since 2×1553450502112 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155345050291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61594715 + ... + 61597236.

It is an arithmetic number, because the mean of its divisors is an integer number (21127419768).

Almost surely, 2155345050211 is an apocalyptic number.

155345050211 is a deficient number, since it is larger than the sum of its proper divisors (13674307933).

155345050211 is a wasteful number, since it uses less digits than its factorization.

155345050211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123192061.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 155345050211 its reverse (112050543551), we get a palindrome (267395593762).

The spelling of 155345050211 in words is "one hundred fifty-five billion, three hundred forty-five million, fifty thousand, two hundred eleven".

Divisors: 1 13 97 1261 123191951 1601495363 11949619247 155345050211