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155015002164 = 223111174356077
BaseRepresentation
bin1001000001011110011…
…1010011100000110100
3112211010021002000112110
42100113213103200310
510014432320032124
6155113553251020
714125262530551
oct2202747234064
9484107060473
10155015002164
115a817a22540
1226062263a70
1311805561669
147707839a28
154073eeb029
hex24179d3834

155015002164 has 24 divisors (see below), whose sum is σ = 394583642208. Its totient is φ = 46974243040.

The previous prime is 155015002141. The next prime is 155015002229. The reversal of 155015002164 is 461200510551.

It is a congruent number.

It is an unprimeable number.

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, 587177907 + ... + 587178170.

It is an arithmetic number, because the mean of its divisors is an integer number (16440985092).

Almost surely, 2155015002164 is an apocalyptic number.

It is an amenable number.

155015002164 is an abundant number, since it is smaller than the sum of its proper divisors (239568640044).

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

155015002164 is a wasteful number, since it uses less digits than its factorization.

155015002164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174356095 (or 1174356093 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 155015002164 in words is "one hundred fifty-five billion, fifteen million, two thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1174356077 2348712154 3523068231 4697424308 7046136462 12917916847 14092272924 25835833694 38753750541 51671667388 77507501082 155015002164