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40151315281 = 7111213429881
BaseRepresentation
bin100101011001001101…
…000111001101010001
310211122012210011001011
4211121031013031101
51124212214042111
630240102010521
72620662356140
oct453115071521
9124565704034
1040151315281
11160344094a0
127946716a41
133a2b52202c
141d2c719757
15109ee26021
hex959347351

40151315281 has 16 divisors (see below), whose sum is σ = 50100167808. Its totient is φ = 31260873600.

The previous prime is 40151315233. The next prime is 40151315287. The reversal of 40151315281 is 18251315104.

It is not a de Polignac number, because 40151315281 - 215 = 40151282513 is a prime.

It is a super-2 number, since 2×401513152812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40151315287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121540 + ... + 308341.

It is an arithmetic number, because the mean of its divisors is an integer number (3131260488).

Almost surely, 240151315281 is an apocalyptic number.

It is an amenable number.

40151315281 is a deficient number, since it is larger than the sum of its proper divisors (9948852527).

40151315281 is a wasteful number, since it uses less digits than its factorization.

40151315281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431112.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 40151315281 in words is "forty billion, one hundred fifty-one million, three hundred fifteen thousand, two hundred eighty-one".

Divisors: 1 7 11 77 1213 8491 13343 93401 429881 3009167 4728691 33100837 521445653 3650119571 5735902183 40151315281