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42012033030 = 23251142436397
BaseRepresentation
bin100111001000000111…
…001100000000000110
311000102220001101221100
4213020013030000012
51142020040024110
631144451400530
73015045250212
oct471007140006
9130386041840
1042012033030
11168a9774260
1281858b3146
133c66b80956
1420678b9942
15115d474bc0
hex9c81cc006

42012033030 has 48 divisors (see below), whose sum is σ = 119161405584. Its totient is φ = 10184735040.

The previous prime is 42012033029. The next prime is 42012033097. The reversal of 42012033030 is 3033021024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42012032994 and 42012033012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21217209 + ... + 21219188.

It is an arithmetic number, because the mean of its divisors is an integer number (2482529283).

Almost surely, 242012033030 is an apocalyptic number.

42012033030 is an abundant number, since it is smaller than the sum of its proper divisors (77149372554).

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

42012033030 is a wasteful number, since it uses less digits than its factorization.

42012033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42436421 (or 42436418 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 42012033030 its reverse (3033021024), we get a palindrome (45045054054).

The spelling of 42012033030 in words is "forty-two billion, twelve million, thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 42436397 84872794 127309191 212181985 254618382 381927573 424363970 466800367 636545955 763855146 933600734 1273091910 1400401101 1909637865 2334001835 2800802202 3819275730 4201203303 4668003670 7002005505 8402406606 14004011010 21006016515 42012033030