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61306310630 = 256130631063
BaseRepresentation
bin111001000110001001…
…000000111111100110
312212020112122021001102
4321012021000333212
52001023403420010
644055211000102
74300141020335
oct710611007746
9185215567042
1061306310630
1123aaa8a5624
12ba6b439032
135a20294666
142d78177d1c
1518dc28cba5
hexe46240fe6

61306310630 has 8 divisors (see below), whose sum is σ = 110351359152. Its totient is φ = 24522524248.

The previous prime is 61306310567. The next prime is 61306310647. The reversal of 61306310630 is 3601360316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61306310593 and 61306310602.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3065315522 + ... + 3065315541.

It is an arithmetic number, because the mean of its divisors is an integer number (13793919894).

Almost surely, 261306310630 is an apocalyptic number.

61306310630 is a deficient number, since it is larger than the sum of its proper divisors (49045048522).

61306310630 is a wasteful number, since it uses less digits than its factorization.

61306310630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130631070.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 61306310630 its reverse (3601360316), we get a palindrome (64907670946).

The spelling of 61306310630 in words is "sixty-one billion, three hundred six million, three hundred ten thousand, six hundred thirty".

Divisors: 1 2 5 10 6130631063 12261262126 30653155315 61306310630