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30213012310144 = 274710149723859
BaseRepresentation
bin1101101111010100000111…
…10111011100100010000000
310221222100001202221021210021
412313222003313130202000
512430002222122411034
6144131355524143224
76235550416221406
oct667520367344200
9127870052837707
1030213012310144
1196992a2885484
12347b598837b14
1313b20c8550311
147664636bd476
15375d9a7d26b4
hex1b7a83ddc880

30213012310144 has 64 divisors (see below), whose sum is σ = 62079244732800. Its totient is φ = 14638703795200.

The previous prime is 30213012310093. The next prime is 30213012310157. The reversal of 30213012310144 is 44101321031203.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×302130123101442 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24254314 + ... + 25469545.

It is an arithmetic number, because the mean of its divisors is an integer number (969988198950).

Almost surely, 230213012310144 is an apocalyptic number.

It is an amenable number.

30213012310144 is an abundant number, since it is smaller than the sum of its proper divisors (31866232422656).

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

30213012310144 is a wasteful number, since it uses less digits than its factorization.

30213012310144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49724021 (or 49724009 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 30213012310144 its reverse (44101321031203), we get a palindrome (74314333341347).

The spelling of 30213012310144 in words is "thirty trillion, two hundred thirteen billion, twelve million, three hundred ten thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 47 64 94 101 128 188 202 376 404 752 808 1504 1616 3008 3232 4747 6016 6464 9494 12928 18988 37976 75952 151904 303808 607616 49723859 99447718 198895436 397790872 795581744 1591163488 2337021373 3182326976 4674042746 5022109759 6364653952 9348085492 10044219518 18696170984 20088439036 37392341968 40176878072 74784683936 80353756144 149569367872 160707512288 236039158673 299138735744 321415024576 472078317346 642830049152 944156634692 1888313269384 3776626538768 7553253077536 15106506155072 30213012310144