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42103211304440 = 235111325767342557
BaseRepresentation
bin10011001001010111010101…
…11101000010010111111000
312112002000202012001101001202
421210223222331002113320
521004304334043220230
6225313540453433332
711603566553131646
oct1144535275022770
9175060665041052
1042103211304440
1112462965175570
12487ba7433b848
131a65414a375c0
14a57b406b8196
154d0303d16a45
hex264aeaf425f8

42103211304440 has 256 divisors, whose sum is σ = 111895495528320. Its totient is φ = 14056308080640.

The previous prime is 42103211304379. The next prime is 42103211304481. The reversal of 42103211304440 is 4440311230124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 989315642 + ... + 989358198.

Almost surely, 242103211304440 is an apocalyptic number.

42103211304440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42103211304440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55947747764160).

42103211304440 is an abundant number, since it is smaller than the sum of its proper divisors (69792284223880).

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

42103211304440 is a wasteful number, since it uses less digits than its factorization.

42103211304440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43522 (or 43518 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 42103211304440 its reverse (4440311230124), we get a palindrome (46543522534564).

The spelling of 42103211304440 in words is "forty-two trillion, one hundred three billion, two hundred eleven million, three hundred four thousand, four hundred forty".