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102143250153 = 3371373944821
BaseRepresentation
bin101111100100000110…
…1100100111011101001
3100202122112112201202000
41133020031210323221
53133142133001103
6114531324201213
710244130205140
oct1371015447351
9322575481660
10102143250153
113a35622471a
1217967699209
13982a8615b9
144d2d968757
1529cc496aa3
hex17c8364ee9

102143250153 has 32 divisors (see below), whose sum is σ = 174203339520. Its totient is φ = 57941516160.

The previous prime is 102143250149. The next prime is 102143250173. The reversal of 102143250153 is 351052341201.

102143250153 is a `hidden beast` number, since 10 + 2 + 143 + 2 + 501 + 5 + 3 = 666.

It is not a de Polignac number, because 102143250153 - 22 = 102143250149 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (102143250113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1946518 + ... + 1998303.

It is an arithmetic number, because the mean of its divisors is an integer number (5443854360).

Almost surely, 2102143250153 is an apocalyptic number.

It is an amenable number.

102143250153 is a deficient number, since it is larger than the sum of its proper divisors (72060089367).

102143250153 is a wasteful number, since it uses less digits than its factorization.

102143250153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944974 (or 3944968 counting only the distinct ones).

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

Adding to 102143250153 its reverse (351052341201), we get a palindrome (453195591354).

The spelling of 102143250153 in words is "one hundred two billion, one hundred forty-three million, two hundred fifty thousand, one hundred fifty-three".

Divisors: 1 3 7 9 21 27 63 137 189 411 959 1233 2877 3699 8631 25893 3944821 11834463 27613747 35503389 82841241 106510167 248523723 540440477 745571169 1621321431 3783083339 4863964293 11349250017 14591892879 34047750051 102143250153