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40128164300 = 2252757325949
BaseRepresentation
bin100101010111110100…
…110011000111001100
310211120121012221212102
4211113310303013030
51124140302224200
630233513454232
72620261524440
oct452764630714
9124517187772
1040128164300
1116022336854
12793aa11378
133a267a7623
141d29610820
15109cda16d5
hex957d331cc

40128164300 has 36 divisors (see below), whose sum is σ = 99517849200. Its totient is φ = 13758227520.

The previous prime is 40128164227. The next prime is 40128164309. The reversal of 40128164300 is 346182104.

It is a super-2 number, since 2×401281643002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40128164309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28662275 + ... + 28663674.

It is an arithmetic number, because the mean of its divisors is an integer number (2764384700).

Almost surely, 240128164300 is an apocalyptic number.

It is an amenable number.

40128164300 is an abundant number, since it is smaller than the sum of its proper divisors (59389684900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40128164300 is a wasteful number, since it uses less digits than its factorization.

40128164300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57325970 (or 57325963 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 40128164300 in words is "forty billion, one hundred twenty-eight million, one hundred sixty-four thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 57325949 114651898 229303796 286629745 401281643 573259490 802563286 1146518980 1433148725 1605126572 2006408215 2866297450 4012816430 5732594900 8025632860 10032041075 20064082150 40128164300