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30121233010 = 2511263139451
BaseRepresentation
bin11100000011010111…
…011000101001110010
32212202012102011210121
4130003113120221302
5443142013424020
621500522320454
72114301153601
oct340327305162
985665364717
1030121233010
1111857718200
125a0765912a
132ac05312cb
14165a5a5a38
15bb45c4baa
hex7035d8a72

30121233010 has 48 divisors (see below), whose sum is σ = 59691191616. Its totient is φ = 10935540000.

The previous prime is 30121232971. The next prime is 30121233017. The reversal of 30121233010 is 1033212103.

It is not an unprimeable number, because it can be changed into a prime (30121233017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743785 + ... + 783235.

It is an arithmetic number, because the mean of its divisors is an integer number (1243566492).

Almost surely, 230121233010 is an apocalyptic number.

30121233010 is a deficient number, since it is larger than the sum of its proper divisors (29569958606).

30121233010 is a wasteful number, since it uses less digits than its factorization.

30121233010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40111 (or 40100 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30121233010 its reverse (1033212103), we get a palindrome (31154445113).

The spelling of 30121233010 in words is "thirty billion, one hundred twenty-one million, two hundred thirty-three thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 121 242 605 631 1210 1262 3155 6310 6941 13882 34705 39451 69410 76351 78902 152702 197255 381755 394510 433961 763510 867922 2169805 4339610 4773571 9547142 23867855 24893581 47735710 49787162 124467905 248935810 273829391 547658782 1369146955 2738293910 3012123301 6024246602 15060616505 30121233010