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146828430187 = 372195154973
BaseRepresentation
bin1000100010111110101…
…0000000101101101011
3112000222201121001222221
42020233222000231223
54401201034231222
6151241350454511
713415355031015
oct2105752005553
9460881531887
10146828430187
11572a690387a
1224558664437
1310acc48622a
14716c4871b5
153c4544a0c7
hex222fa80b6b

146828430187 has 12 divisors (see below), whose sum is σ = 150984111936. Its totient is φ = 142784272800.

The previous prime is 146828430181. The next prime is 146828430197. The reversal of 146828430187 is 781034828641.

It is a de Polignac number, because none of the positive numbers 2k-146828430187 is a prime.

It is a super-2 number, since 2×1468284301872 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146828430181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2643433 + ... + 2698405.

It is an arithmetic number, because the mean of its divisors is an integer number (12582009328).

Almost surely, 2146828430187 is an apocalyptic number.

146828430187 is a deficient number, since it is larger than the sum of its proper divisors (4155681749).

146828430187 is an equidigital number, since it uses as much as digits as its factorization.

146828430187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56998 (or 56961 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 146828430187 in words is "one hundred forty-six billion, eight hundred twenty-eight million, four hundred thirty thousand, one hundred eighty-seven".

Divisors: 1 37 1369 1951 54973 72187 2034001 2670919 75258037 107252323 3968335951 146828430187