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30213112052 = 22374136713567
BaseRepresentation
bin11100001000110101…
…111000000011110100
32212222121022010011002
4130020311320003310
5443334024041202
621514003502432
72116465133534
oct341065700364
985877263132
1030213112052
11118a45722a2
125a32387a18
132b065905c6
1416688814c4
15bbc6c3302
hex708d780f4

30213112052 has 48 divisors (see below), whose sum is σ = 55782064128. Its totient is φ = 14299649280.

The previous prime is 30213111983. The next prime is 30213112063. The reversal of 30213112052 is 25021131203.

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, 2220173 + ... + 2233739.

It is an arithmetic number, because the mean of its divisors is an integer number (1162126336).

Almost surely, 230213112052 is an apocalyptic number.

It is an amenable number.

30213112052 is a deficient number, since it is larger than the sum of its proper divisors (25568952076).

30213112052 is a wasteful number, since it uses less digits than its factorization.

30213112052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016 (or 14014 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 30213112052 its reverse (25021131203), we get a palindrome (55234243255).

The spelling of 30213112052 in words is "thirty billion, two hundred thirteen million, one hundred twelve thousand, fifty-two".

Divisors: 1 2 4 37 41 74 82 148 164 367 734 1468 1517 3034 6068 13567 13579 15047 27134 27158 30094 54268 54316 60188 501979 556247 556739 1003958 1112494 1113478 2007916 2224988 2226956 4979089 9958178 19916356 20581139 41162278 82324556 184226293 204142649 368452586 408285298 736905172 816570596 7553278013 15106556026 30213112052