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146428657029 = 3216269850781
BaseRepresentation
bin1000100001011111010…
…0111111110110000101
3111222221212100111022200
42020113310333312011
54344341214011104
6151133550145113
713402432022424
oct2102764776605
9458855314280
10146428657029
1157111183336
12244667b2199
1310a676c3c75
1471313412bb
153c202cdb39
hex2217d3fd85

146428657029 has 6 divisors (see below), whose sum is σ = 211508060166. Its totient is φ = 97619104680.

The previous prime is 146428657009. The next prime is 146428657031. The reversal of 146428657029 is 920756824641.

146428657029 is a `hidden beast` number, since 1 + 4 + 6 + 42 + 8 + 6 + 570 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143860904100 + 2567752929 = 379290^2 + 50673^2 .

It is not a de Polignac number, because 146428657029 - 231 = 144281173381 is a prime.

It is a super-2 number, since 2×1464286570292 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146428657009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8134925382 + ... + 8134925399.

It is an arithmetic number, because the mean of its divisors is an integer number (35251343361).

Almost surely, 2146428657029 is an apocalyptic number.

It is an amenable number.

146428657029 is a deficient number, since it is larger than the sum of its proper divisors (65079403137).

146428657029 is a wasteful number, since it uses less digits than its factorization.

146428657029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16269850787 (or 16269850784 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 146428657029 in words is "one hundred forty-six billion, four hundred twenty-eight million, six hundred fifty-seven thousand, twenty-nine".

Divisors: 1 3 9 16269850781 48809552343 146428657029