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205926151153 = 17211383149893
BaseRepresentation
bin1011111111001000100…
…1111011001111110001
3201200112100101100121011
42333302021323033301
511333214043314103
6234333504030521
720610020255422
oct2776211731761
9650470340534
10205926151153
117a372a42288
1233ab0302441
1316559ccc5a8
149d77189649
155553870d6d
hex2ff227b3f1

205926151153 has 16 divisors (see below), whose sum is σ = 219646273536. Its totient is φ = 192389379840.

The previous prime is 205926151121. The next prime is 205926151157. The reversal of 205926151153 is 351151629502.

It is a cyclic number.

It is not a de Polignac number, because 205926151153 - 25 = 205926151121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205926151157) 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, 1298875 + ... + 1448767.

It is an arithmetic number, because the mean of its divisors is an integer number (13727892096).

Almost surely, 2205926151153 is an apocalyptic number.

It is an amenable number.

205926151153 is a deficient number, since it is larger than the sum of its proper divisors (13720122383).

205926151153 is a wasteful number, since it uses less digits than its factorization.

205926151153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150504.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 205926151153 in words is "two hundred five billion, nine hundred twenty-six million, one hundred fifty-one thousand, one hundred fifty-three".

Divisors: 1 17 211 383 3587 6511 80813 149893 1373821 2548181 31627423 57409019 537666191 975953323 12113303009 205926151153