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42061219520460 = 22357618922818087
BaseRepresentation
bin10011001000001001001000…
…00011000101111111001100
312111221000100201002201121020
421210010210003011333030
521003112334144123320
6225242354004034140
711600552141635530
oct1144044403057714
9174830321081536
1042061219520460
1112447076981768
1248738b5392950
131a6148212654a
14a55ab978dbc0
154ce197541940
hex2641240c5fcc

42061219520460 has 384 divisors, whose sum is σ = 138417260728320. Its totient is φ = 9344880230400.

The previous prime is 42061219520413. The next prime is 42061219520477. The reversal of 42061219520460 is 6402591216024.

It is a super-2 number, since 2×420612195204602 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 5201086537 + ... + 5201094623.

It is an arithmetic number, because the mean of its divisors is an integer number (360461616480).

Almost surely, 242061219520460 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 42061219520460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69208630364160).

42061219520460 is an abundant number, since it is smaller than the sum of its proper divisors (96356041207860).

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

42061219520460 is a wasteful number, since it uses less digits than its factorization.

42061219520460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537 (or 10535 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 42061219520460 in words is "forty-two trillion, sixty-one billion, two hundred nineteen million, five hundred twenty thousand, four hundred sixty".