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42103022440 = 2352967541727
BaseRepresentation
bin100111001101100010…
…010010001101101000
311000200020021010221111
4213031202102031220
51142211333204230
631201501520104
73020231533363
oct471542221550
9130606233844
1042103022440
1116946070a16
1281b0273034
133c7c98b03b
142075a030da
15116644992a
hex9cd892368

42103022440 has 64 divisors (see below), whose sum is σ = 99461260800. Its totient is φ = 16017754368.

The previous prime is 42103022399. The next prime is 42103022441. The reversal of 42103022440 is 4422030124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42103022441) 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, 193144 + ... + 348583.

It is an arithmetic number, because the mean of its divisors is an integer number (1554082200).

Almost surely, 242103022440 is an apocalyptic number.

42103022440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42103022440 is an abundant number, since it is smaller than the sum of its proper divisors (57358238360).

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

42103022440 is a wasteful number, since it uses less digits than its factorization.

42103022440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541834 (or 541830 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42103022440 its reverse (4422030124), we get a palindrome (46525052564).

The spelling of 42103022440 in words is "forty-two billion, one hundred three million, twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 67 116 134 145 232 268 290 335 536 580 670 1160 1340 1943 2680 3886 7772 9715 15544 19430 38860 77720 541727 1083454 2166908 2708635 4333816 5417270 10834540 15710083 21669080 31420166 36295709 62840332 72591418 78550415 125680664 145182836 157100830 181478545 290365672 314201660 362957090 628403320 725914180 1052575561 1451828360 2105151122 4210302244 5262877805 8420604488 10525755610 21051511220 42103022440