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42407309652 = 2237944733449
BaseRepresentation
bin100111011111101011…
…000011000101010100
311001110102211112112020
4213133223003011110
51143322232402102
631252011453140
73030615120201
oct473753030524
9131412745466
1042407309652
1116a91903454
1282761571b0
133ccaa2a346
1420a41b0ca8
151183003bbc
hex9dfac3154

42407309652 has 24 divisors (see below), whose sum is σ = 100202928000. Its totient is φ = 13956835776.

The previous prime is 42407309647. The next prime is 42407309657. The reversal of 42407309652 is 25690370424.

It is an interprime number because it is at equal distance from previous prime (42407309647) and next prime (42407309657).

It is a super-2 number, since 2×424073096522 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42407309657) by changing a digit.

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, 22365777 + ... + 22367672.

It is an arithmetic number, because the mean of its divisors is an integer number (4175122000).

Almost surely, 242407309652 is an apocalyptic number.

It is an amenable number.

42407309652 is an abundant number, since it is smaller than the sum of its proper divisors (57795618348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42407309652 is a wasteful number, since it uses less digits than its factorization.

42407309652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44733535 (or 44733533 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 42407309652 in words is "forty-two billion, four hundred seven million, three hundred nine thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 44733449 89466898 134200347 178933796 268400694 536801388 3533942471 7067884942 10601827413 14135769884 21203654826 42407309652