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154242150505 = 52971101148339
BaseRepresentation
bin1000111110100110001…
…1000111000001101001
3112202010101211002100221
42033221203013001221
510011341442304010
6154505144330041
714100156434662
oct2175143070151
9482111732327
10154242150505
115a460744663
1225a87473921
13117113c57a1
147672d3a369
15402b237dda
hex23e98c7069

154242150505 has 32 divisors (see below), whose sum is σ = 196093612800. Its totient is φ = 116296992000.

The previous prime is 154242150497. The next prime is 154242150539. The reversal of 154242150505 is 505051242451.

It is not a de Polignac number, because 154242150505 - 23 = 154242150497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 965626 + ... + 1113964.

It is an arithmetic number, because the mean of its divisors is an integer number (6127925400).

Almost surely, 2154242150505 is an apocalyptic number.

It is an amenable number.

154242150505 is a deficient number, since it is larger than the sum of its proper divisors (41851462295).

154242150505 is a wasteful number, since it uses less digits than its factorization.

154242150505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148545.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 154242150505 its reverse (505051242451), we get a palindrome (659293392956).

The spelling of 154242150505 in words is "one hundred fifty-four billion, two hundred forty-two million, one hundred fifty thousand, five hundred five".

Divisors: 1 5 29 71 101 145 355 505 2059 2929 7171 10295 14645 35855 148339 207959 741695 1039795 4301831 10532069 14982239 21509155 52660345 74911195 305430001 434484931 1063738969 1527150005 2172424655 5318694845 30848430101 154242150505