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40301021033 = 7213318119889
BaseRepresentation
bin100101100010001000…
…001100011101101001
310212000122110222201122
4211202020030131221
51130014030133113
630303010425025
72624461012100
oct454210143551
9125018428648
1040301021033
111610096a659
127988892175
133a5354a010
141d44569037
1510ad148408
hex96220c769

40301021033 has 24 divisors (see below), whose sum is σ = 50505404040. Its totient is φ = 31874895360.

The previous prime is 40301021009. The next prime is 40301021039. The reversal of 40301021033 is 33012010304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1832867344 + 38468153689 = 42812^2 + 196133^2 .

It is not a de Polignac number, because 40301021033 - 212 = 40301016937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40301021039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2016353 + ... + 2036241.

It is an arithmetic number, because the mean of its divisors is an integer number (2104391835).

Almost surely, 240301021033 is an apocalyptic number.

It is an amenable number.

40301021033 is a deficient number, since it is larger than the sum of its proper divisors (10204383007).

40301021033 is a wasteful number, since it uses less digits than its factorization.

40301021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23097 (or 23090 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 40301021033 its reverse (33012010304), we get a palindrome (73313031337).

The spelling of 40301021033 in words is "forty billion, three hundred one million, twenty-one thousand, thirty-three".

Divisors: 1 7 13 49 91 637 3181 19889 22267 41353 139223 155869 258557 289471 974561 1809899 2026297 12669293 63266909 442868363 822469817 3100078541 5757288719 40301021033