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42479432619 = 3132383570569
BaseRepresentation
bin100111100011111110…
…001011001110101011
311001122110112202122020
4213203332023032223
51143444213320434
631303105355523
73032452135221
oct474376131653
9131573482566
1042479432619
1117019594508
128296338ba3
13400c960260
1420ad9c6b11
1511894ed849
hex9e3f8b3ab

42479432619 has 32 divisors (see below), whose sum is σ = 64415070720. Its totient is φ = 24703312128.

The previous prime is 42479432617. The next prime is 42479432621. The reversal of 42479432619 is 91623497424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42479432617) and next prime (42479432621).

It is not a de Polignac number, because 42479432619 - 21 = 42479432617 is a prime.

It is a super-2 number, since 2×424794326192 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42479432617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210834 + ... + 359735.

It is an arithmetic number, because the mean of its divisors is an integer number (2012970960).

Almost surely, 242479432619 is an apocalyptic number.

42479432619 is a deficient number, since it is larger than the sum of its proper divisors (21935638101).

42479432619 is a wasteful number, since it uses less digits than its factorization.

42479432619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570691.

The product of its digits is 2612736, while the sum is 51.

The spelling of 42479432619 in words is "forty-two billion, four hundred seventy-nine million, four hundred thirty-two thousand, six hundred nineteen".

Divisors: 1 3 13 23 39 69 83 249 299 897 1079 1909 3237 5727 24817 74451 570569 1711707 7417397 13123087 22252191 39369261 47357227 142071681 170600131 511800393 615643951 1089216221 1846931853 3267648663 14159810873 42479432619