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42114402021 = 397565725583
BaseRepresentation
bin100111001110001101…
…101100011011100101
311000201000200021210110
4213032031230123211
51142222241331041
631202545443233
73020430340116
oct471615543345
9130630607713
1042114402021
111695153362a
1281b4040519
133c82143813
14207732620d
151167446516
hex9ce36c6e5

42114402021 has 16 divisors (see below), whose sum is σ = 56743674624. Its totient is φ = 27780824064.

The previous prime is 42114401981. The next prime is 42114402059. The reversal of 42114402021 is 12020441124.

It is not a de Polignac number, because 42114402021 - 29 = 42114401509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42114400021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633396 + ... + 1658978.

It is an arithmetic number, because the mean of its divisors is an integer number (3546479664).

Almost surely, 242114402021 is an apocalyptic number.

It is an amenable number.

42114402021 is a deficient number, since it is larger than the sum of its proper divisors (14629272603).

42114402021 is a wasteful number, since it uses less digits than its factorization.

42114402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31340.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 42114402021 its reverse (12020441124), we get a palindrome (54134843145).

The spelling of 42114402021 in words is "forty-two billion, one hundred fourteen million, four hundred two thousand, twenty-one".

Divisors: 1 3 97 291 5657 16971 25583 76749 548729 1646187 2481551 7444653 144723031 434169093 14038134007 42114402021