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42993196428 = 22373132193253
BaseRepresentation
bin101000000010100110…
…000001110110001100
311002222021021200002110
4220002212001312030
51201022224241203
631430101224020
73051261066000
oct500246016614
9132867250073
1042993196428
11172625a18a6
1283ba402010
134092224100
14211bd22700
1511b9684d03
hexa02981d8c

42993196428 has 288 divisors, whose sum is σ = 133387968000. Its totient is φ = 10738780416.

The previous prime is 42993196417. The next prime is 42993196429. The reversal of 42993196428 is 82469139924.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (42993196429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13214850 + ... + 13218102.

Almost surely, 242993196428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42993196428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66693984000).

42993196428 is an abundant number, since it is smaller than the sum of its proper divisors (90394771572).

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

42993196428 is a wasteful number, since it uses less digits than its factorization.

42993196428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326 (or 3297 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 42993196428 in words is "forty-two billion, nine hundred ninety-three million, one hundred ninety-six thousand, four hundred twenty-eight".