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40481123889 = 3127106249669
BaseRepresentation
bin100101101100110111…
…001110111000110001
310212111012101011101210
4211230313032320301
51130401131431024
630332522550333
72632105606233
oct455467167061
9125435334353
1040481123889
11161935a2598
127a190683a9
133a8195895b
141d6044c253
1510bdd72129
hex96cdcee31

40481123889 has 8 divisors (see below), whose sum is σ = 54399831040. Its totient is φ = 26774916336.

The previous prime is 40481123861. The next prime is 40481123897. The reversal of 40481123889 is 98832118404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40481123889 - 215 = 40481091121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40481123899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53124454 + ... + 53125215.

It is an arithmetic number, because the mean of its divisors is an integer number (6799978880).

Almost surely, 240481123889 is an apocalyptic number.

It is an amenable number.

40481123889 is a deficient number, since it is larger than the sum of its proper divisors (13918707151).

40481123889 is a wasteful number, since it uses less digits than its factorization.

40481123889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106249799.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 40481123889 in words is "forty billion, four hundred eighty-one million, one hundred twenty-three thousand, eight hundred eighty-nine".

Divisors: 1 3 127 381 106249669 318749007 13493707963 40481123889