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40144018033 = 77975619601
BaseRepresentation
bin100101011000110001…
…010001101001110001
310211121201001102002201
4211120301101221301
51124203332034113
630235241343201
72620543344310
oct453061215161
9124551042081
1040144018033
1116030284a09
127944197b01
133a29b68732
141d2b77a277
15109e483cdd
hex958c51a71

40144018033 has 16 divisors (see below), whose sum is σ = 46470607360. Its totient is φ = 33965568000.

The previous prime is 40144018027. The next prime is 40144018037. The reversal of 40144018033 is 33081044104.

It is a de Polignac number, because none of the positive numbers 2k-40144018033 is a prime.

It is a super-2 number, since 2×401440180332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40144017992 and 40144018010.

It is not an unprimeable number, because it can be changed into a prime (40144018037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4176433 + ... + 4186033.

It is an arithmetic number, because the mean of its divisors is an integer number (2904412960).

Almost surely, 240144018033 is an apocalyptic number.

It is an amenable number.

40144018033 is a deficient number, since it is larger than the sum of its proper divisors (6326589327).

40144018033 is an equidigital number, since it uses as much as digits as its factorization.

40144018033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17248.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 40144018033 in words is "forty billion, one hundred forty-four million, eighteen thousand, thirty-three".

Divisors: 1 7 79 553 7561 9601 52927 67207 597319 758479 4181233 5309353 72593161 508152127 5734859719 40144018033