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30052434144 = 2531627192407
BaseRepresentation
bin11011111111010000…
…111100000011100000
32212120101221211111110
4123333100330003200
5443021410343034
621450023543320
72112504322035
oct337720740340
985511854443
1030052434144
11118218a7637
1259a85bab40
132aac1c3415
1416513b738c
15bad534de9
hex6ff43c0e0

30052434144 has 48 divisors (see below), whose sum is σ = 78936536448. Its totient is φ = 10011268992.

The previous prime is 30052434109. The next prime is 30052434149. The reversal of 30052434144 is 44143425003.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052434149) 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, 59989 + ... + 252395.

It is an arithmetic number, because the mean of its divisors is an integer number (1644511176).

Almost surely, 230052434144 is an apocalyptic number.

It is an amenable number.

30052434144 is an abundant number, since it is smaller than the sum of its proper divisors (48884102304).

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

30052434144 is a wasteful number, since it uses less digits than its factorization.

30052434144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194047 (or 194039 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 30052434144 its reverse (44143425003), we get a palindrome (74195859147).

The spelling of 30052434144 in words is "thirty billion, fifty-two million, four hundred thirty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1627 3254 4881 6508 9762 13016 19524 26032 39048 52064 78096 156192 192407 384814 577221 769628 1154442 1539256 2308884 3078512 4617768 6157024 9235536 18471072 313046189 626092378 939138567 1252184756 1878277134 2504369512 3756554268 5008739024 7513108536 10017478048 15026217072 30052434144