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42000002000 = 2453111909091
BaseRepresentation
bin100111000111011001…
…010010101111010000
311000102001102011110122
4213013121102233100
51142004000031000
631143341445412
73014541061265
oct470731225720
9130361364418
1042000002000
11168a29a7160
128181870868
133c6452a7b8
14206606726c
15115c39a085
hex9c7652bd0

42000002000 has 80 divisors (see below), whose sum is σ = 110788426944. Its totient is φ = 15272720000.

The previous prime is 42000001997. The next prime is 42000002021. The reversal of 42000002000 is 20000024.

42000002000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932546 + ... + 976545.

Almost surely, 242000002000 is an apocalyptic number.

42000002000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42000002000 is an abundant number, since it is smaller than the sum of its proper divisors (68788424944).

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

42000002000 is a wasteful number, since it uses less digits than its factorization.

42000002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909125 (or 1909109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 42000002000 its reverse (20000024), we get a palindrome (42020002024).

The spelling of 42000002000 in words is "forty-two billion, two thousand", and thus it is an eban number.

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 880 1000 1100 1375 2000 2200 2750 4400 5500 11000 22000 1909091 3818182 7636364 9545455 15272728 19090910 21000001 30545456 38181820 42000002 47727275 76363640 84000004 95454550 105000005 152727280 168000008 190909100 210000010 238636375 336000016 381818200 420000020 477272750 525000025 763636400 840000040 954545500 1050000050 1680000080 1909091000 2100000100 2625000125 3818182000 4200000200 5250000250 8400000400 10500000500 21000001000 42000002000