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42611242143 = 310921195501
BaseRepresentation
bin100111101011110100…
…111111010010011111
311001222122120101022110
4213223310333102133
51144231434222033
631324134445103
73035642403441
oct475364772237
9131878511273
1042611242143
1117086a319a8
128312503793
134031060562
1420c32d8491
151195d88363
hex9ebd3f49f

42611242143 has 12 divisors (see below), whose sum is σ = 57341057928. Its totient is φ = 28146852000.

The previous prime is 42611242129. The next prime is 42611242189. The reversal of 42611242143 is 34124211624.

It is not a de Polignac number, because 42611242143 - 24 = 42611242127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42611242143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42611242043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562108 + ... + 633393.

It is an arithmetic number, because the mean of its divisors is an integer number (4778421494).

Almost surely, 242611242143 is an apocalyptic number.

42611242143 is a deficient number, since it is larger than the sum of its proper divisors (14729815785).

42611242143 is a wasteful number, since it uses less digits than its factorization.

42611242143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195722 (or 1195613 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 42611242143 its reverse (34124211624), we get a palindrome (76735453767).

The spelling of 42611242143 in words is "forty-two billion, six hundred eleven million, two hundred forty-two thousand, one hundred forty-three".

Divisors: 1 3 109 327 11881 35643 1195501 3586503 130309609 390928827 14203747381 42611242143