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40728209282 = 2612511330031
BaseRepresentation
bin100101111011100101…
…110010011110000010
310220010102022101211122
4211323211302132002
51131402410144112
630413230512242
72641166031635
oct457345623602
9126112271748
1040728209282
11163000154a2
127a87965682
133ac0bba827
141d851a9c1c
1510d58cc872
hex97b972782

40728209282 has 16 divisors (see below), whose sum is σ = 62341259904. Its totient is φ = 19950450000.

The previous prime is 40728209257. The next prime is 40728209317. The reversal of 40728209282 is 28290282704.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 634394 + ... + 695637.

It is an arithmetic number, because the mean of its divisors is an integer number (3896328744).

Almost surely, 240728209282 is an apocalyptic number.

40728209282 is a deficient number, since it is larger than the sum of its proper divisors (21613050622).

40728209282 is a wasteful number, since it uses less digits than its factorization.

40728209282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330345.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 40728209282 in words is "forty billion, seven hundred twenty-eight million, two hundred nine thousand, two hundred eighty-two".

Divisors: 1 2 61 122 251 502 15311 30622 1330031 2660062 81131891 162263782 333837781 667675562 20364104641 40728209282