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42100040032 = 251315626251
BaseRepresentation
bin100111001101010110…
…111010000101100000
311000200000122121211221
4213031112322011200
51142210102240112
631201313544424
73020164302331
oct471526720540
9130600577757
1042100040032
1116944414216
1281ab275114
133c7c1856bb
142075468288
15116605ae07
hex9cd5ba160

42100040032 has 12 divisors (see below), whose sum is σ = 82884453876. Its totient is φ = 21050020000.

The previous prime is 42100040027. The next prime is 42100040063. The reversal of 42100040032 is 23004000124.

It is a super-2 number, since 2×421000400322 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 42100039988 and 42100040015.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 657813094 + ... + 657813157.

It is an arithmetic number, because the mean of its divisors is an integer number (6907037823).

Almost surely, 242100040032 is an apocalyptic number.

It is an amenable number.

42100040032 is a deficient number, since it is larger than the sum of its proper divisors (40784413844).

42100040032 is a wasteful number, since it uses less digits than its factorization.

42100040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315626261 (or 1315626253 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 42100040032 its reverse (23004000124), we get a palindrome (65104040156).

The spelling of 42100040032 in words is "forty-two billion, one hundred million, forty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 1315626251 2631252502 5262505004 10525010008 21050020016 42100040032