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30121002310 = 2577327121751
BaseRepresentation
bin11100000011010110…
…100000010101000110
32212202011222110100011
4130003112200111012
5443141434033220
621500513340434
72114266203160
oct340326402506
985664873304
1030121002310
111185757a943
125a0756771a
132ac04802b9
14165a545930
15bb457b65a
hex7035a0546

30121002310 has 64 divisors (see below), whose sum is σ = 63046692864. Its totient is φ = 10147680000.

The previous prime is 30121002293. The next prime is 30121002323. The reversal of 30121002310 is 1320012103.

It is a super-2 number, since 2×301210023102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373935 + ... + 1395685.

It is an arithmetic number, because the mean of its divisors is an integer number (985104576).

Almost surely, 230121002310 is an apocalyptic number.

30121002310 is an abundant number, since it is smaller than the sum of its proper divisors (32925690554).

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

30121002310 is a wasteful number, since it uses less digits than its factorization.

30121002310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22109.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30121002310 its reverse (1320012103), we get a palindrome (31441014413).

The spelling of 30121002310 in words is "thirty billion, one hundred twenty-one million, two thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 73 146 271 365 511 542 730 1022 1355 1897 2555 2710 3794 5110 9485 18970 19783 21751 39566 43502 98915 108755 138481 152257 197830 217510 276962 304514 692405 761285 1384810 1522570 1587823 3175646 5894521 7939115 11114761 11789042 15878230 22229522 29472605 41261647 55573805 58945210 82523294 111147610 206308235 412616470 430300033 860600066 2151500165 3012100231 4303000330 6024200462 15060501155 30121002310