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30142122410 = 259731074353
BaseRepresentation
bin11100000100100111…
…000100100110101010
32212210122201110200002
4130010213010212222
5443212340404120
621502550143002
72114643545621
oct340447044652
985718643602
1030142122410
1111868495774
125a12651a62
132ac49664ba
14165d2826b8
15bb634e375
hex7049c49aa

30142122410 has 16 divisors (see below), whose sum is σ = 54815160456. Its totient is φ = 11932551168.

The previous prime is 30142122389. The next prime is 30142122427. The reversal of 30142122410 is 1422124103.

It can be written as a sum of positive squares in 4 ways, for example, as 23685517801 + 6456604609 = 153901^2 + 80353^2 .

It is a Curzon number.

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, 15536207 + ... + 15538146.

Almost surely, 230142122410 is an apocalyptic number.

30142122410 is a deficient number, since it is larger than the sum of its proper divisors (24673038046).

30142122410 is a wasteful number, since it uses less digits than its factorization.

30142122410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31074457.

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

Adding to 30142122410 its reverse (1422124103), we get a palindrome (31564246513).

The spelling of 30142122410 in words is "thirty billion, one hundred forty-two million, one hundred twenty-two thousand, four hundred ten".

Divisors: 1 2 5 10 97 194 485 970 31074353 62148706 155371765 310743530 3014212241 6028424482 15071061205 30142122410