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42934501690 = 256176739173
BaseRepresentation
bin100111111111000110…
…001000000100111010
311002211011211200001021
4213333012020010322
51200412213023230
631420203213054
73046646146213
oct477706100472
9132734750037
1042934501690
1117232452653
1283a281718a
1340830132b2
14211420440a
1511b443dc7a
hex9ff18813a

42934501690 has 32 divisors (see below), whose sum is σ = 78567824016. Its totient is φ = 16888220160.

The previous prime is 42934501667. The next prime is 42934501733. The reversal of 42934501690 is 9610543924.

42934501690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1205408961 + 41729092729 = 34719^2 + 204277^2 .

It is a super-2 number, since 2×429345016902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4675944 + ... + 4685116.

Almost surely, 242934501690 is an apocalyptic number.

42934501690 is a deficient number, since it is larger than the sum of its proper divisors (35633322326).

42934501690 is a wasteful number, since it uses less digits than its factorization.

42934501690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16914.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 42934501690 in words is "forty-two billion, nine hundred thirty-four million, five hundred one thousand, six hundred ninety".

Divisors: 1 2 5 10 61 122 305 610 7673 9173 15346 18346 38365 45865 76730 91730 468053 559553 936106 1119106 2340265 2797765 4680530 5595530 70384429 140768858 351922145 703844290 4293450169 8586900338 21467250845 42934501690