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42111020143 = 2391039169583
BaseRepresentation
bin100111001110000000…
…110010110001101111
311000200210022110201201
4213032000302301233
51142220410121033
631202345150331
73020356523323
oct471600626157
9130623273651
1042111020143
111694a633795
1281b2a8b3a7
133c8152b3ca
142076ac5983
151166ec947d
hex9ce032c6f

42111020143 has 8 divisors (see below), whose sum is σ = 42328166400. Its totient is φ = 41894215608.

The previous prime is 42111020129. The next prime is 42111020179. The reversal of 42111020143 is 34102011124.

42111020143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42111020143 - 221 = 42108922991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42111020143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111050143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163530 + ... + 333112.

It is an arithmetic number, because the mean of its divisors is an integer number (5291020800).

Almost surely, 242111020143 is an apocalyptic number.

42111020143 is a deficient number, since it is larger than the sum of its proper divisors (217146257).

42111020143 is a wasteful number, since it uses less digits than its factorization.

42111020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170861.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 42111020143 its reverse (34102011124), we get a palindrome (76213031267).

The spelling of 42111020143 in words is "forty-two billion, one hundred eleven million, twenty thousand, one hundred forty-three".

Divisors: 1 239 1039 169583 248321 40530337 176196737 42111020143