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40830979425 = 35223127186379
BaseRepresentation
bin100110000001101101…
…110100110101100001
310220101120200122222020
4212001231310311201
51132110212320200
630431341332053
72643554412225
oct460155646541
9126346618866
1040830979425
11163530291a5
127ab6267029
133b09291172
141d94abc785
1510de92cea0
hex981b74d61

40830979425 has 48 divisors (see below), whose sum is σ = 70997360640. Its totient is φ = 20665592640.

The previous prime is 40830979411. The next prime is 40830979433. The reversal of 40830979425 is 52497903804.

It is not a de Polignac number, because 40830979425 - 25 = 40830979393 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 125886 + ... + 312264.

It is an arithmetic number, because the mean of its divisors is an integer number (1479111680).

Almost surely, 240830979425 is an apocalyptic number.

It is an amenable number.

40830979425 is a deficient number, since it is larger than the sum of its proper divisors (30166381215).

40830979425 is a wasteful number, since it uses less digits than its factorization.

40830979425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186542 (or 186537 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 40830979425 in words is "forty billion, eight hundred thirty million, nine hundred seventy-nine thousand, four hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 127 345 381 575 635 1725 1905 2921 3175 8763 9525 14605 43815 73025 186379 219075 559137 931895 2795685 4286717 4659475 12860151 13978425 21433585 23670133 64300755 71010399 107167925 118350665 321503775 355051995 544413059 591753325 1633239177 1775259975 2722065295 8166195885 13610326475 40830979425