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30411221402 = 2317173101937
BaseRepresentation
bin11100010100101001…
…100110100110011010
32220111102002010002102
4130110221212212122
5444240233041102
621545402003402
72124422055032
oct342451464632
986442063072
1030411221402
1111996383831
125a887a6562
132b38635183
141686cd08c2
15bceca7402
hex714a6699a

30411221402 has 64 divisors (see below), whose sum is σ = 48937125888. Its totient is φ = 14152320000.

The previous prime is 30411221353. The next prime is 30411221441. The reversal of 30411221402 is 20412211403.

It is a super-2 number, since 2×304112214022 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 32455478 + ... + 32456414.

It is an arithmetic number, because the mean of its divisors is an integer number (764642592).

Almost surely, 230411221402 is an apocalyptic number.

30411221402 is a deficient number, since it is larger than the sum of its proper divisors (18525904486).

30411221402 is a wasteful number, since it uses less digits than its factorization.

30411221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30411221402 its reverse (20412211403), we get a palindrome (50823432805).

Subtracting from 30411221402 its reverse (20412211403), we obtain a palindrome (9999009999).

The spelling of 30411221402 in words is "thirty billion, four hundred eleven million, two hundred twenty-one thousand, four hundred two".

Divisors: 1 2 31 62 71 73 101 142 146 202 937 1874 2201 2263 3131 4402 4526 5183 6262 7171 7373 10366 14342 14746 29047 58094 66527 68401 94637 133054 136802 160673 189274 222301 228563 321346 444602 457126 523483 1046966 2062337 2120431 2933747 4124674 4240862 4856471 5867494 6719227 6908501 9712942 13438454 13817002 16227973 32455946 150550601 208296037 214163531 301101202 416592074 428327062 490503571 981007142 15205610701 30411221402