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42950089169 = 1343671146773
BaseRepresentation
bin101000000000000001…
…100101100111010001
311002212021011121001022
4220000001211213101
51200430210323134
631421521245225
73050225506601
oct500001454721
9132767147038
1042950089169
1117240229769
1283a7a93815
134086310160
142116300c01
1511b59bc52e
hexa000659d1

42950089169 has 16 divisors (see below), whose sum is σ = 48036069312. Its totient is φ = 38146223808.

The previous prime is 42950089159. The next prime is 42950089253. The reversal of 42950089169 is 96198005924.

It is a de Polignac number, because none of the positive numbers 2k-42950089169 is a prime.

It is a super-2 number, since 2×429500891692 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42950089169.

It is not an unprimeable number, because it can be changed into a prime (42950089159) 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, 535934 + ... + 610839.

It is an arithmetic number, because the mean of its divisors is an integer number (3002254332).

Almost surely, 242950089169 is an apocalyptic number.

It is an amenable number.

42950089169 is a deficient number, since it is larger than the sum of its proper divisors (5085980143).

42950089169 is a wasteful number, since it uses less digits than its factorization.

42950089169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146896.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 42950089169 in words is "forty-two billion, nine hundred fifty million, eighty-nine thousand, one hundred sixty-nine".

Divisors: 1 13 43 67 559 871 2881 37453 1146773 14908049 49311239 76833791 641046107 998839283 3303853013 42950089169