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61407956086 = 2436710657403
BaseRepresentation
bin111001001100001100…
…110000110001110110
312212111121220101101221
4321030030300301312
52001230414043321
644113241340554
74302514004641
oct711414606166
9185447811357
1061407956086
1124052210334
12ba9949775a
135a383630b9
142d87876a58
1518e6169e41
hexe4c330c76

61407956086 has 16 divisors (see below), whose sum is σ = 95660858304. Its totient is φ = 29542318344.

The previous prime is 61407956041. The next prime is 61407956117. The reversal of 61407956086 is 68065970416.

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 7 ways as a sum of consecutive naturals, for example, 5322940 + ... + 5334463.

It is an arithmetic number, because the mean of its divisors is an integer number (5978803644).

Almost surely, 261407956086 is an apocalyptic number.

61407956086 is a deficient number, since it is larger than the sum of its proper divisors (34252902218).

61407956086 is a wasteful number, since it uses less digits than its factorization.

61407956086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657515.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 61407956086 in words is "sixty-one billion, four hundred seven million, nine hundred fifty-six thousand, eighty-six".

Divisors: 1 2 43 67 86 134 2881 5762 10657403 21314806 458268329 714046001 916536658 1428092002 30703978043 61407956086