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16393457541 = 3311237142501
BaseRepresentation
bin11110100010010000…
…00100111110000101
31120022111011221002010
433101020010332011
5232033211120131
611310412404433
71120150042566
oct172110047605
946274157063
1016393457541
116a5275231a
123216176719
131713446946
14b1731216d
1565e315b46
hex3d1204f85

16393457541 has 16 divisors (see below), whose sum is σ = 22581436928. Its totient is φ = 10567800000.

The previous prime is 16393457501. The next prime is 16393457569. The reversal of 16393457541 is 14575439361.

It is not a de Polignac number, because 16393457541 - 218 = 16393195397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16393457501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43791 + ... + 186291.

It is an arithmetic number, because the mean of its divisors is an integer number (1411339808).

Almost surely, 216393457541 is an apocalyptic number.

It is an amenable number.

16393457541 is a deficient number, since it is larger than the sum of its proper divisors (6187979387).

16393457541 is a wasteful number, since it uses less digits than its factorization.

16393457541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143772.

The product of its digits is 1360800, while the sum is 48.

The spelling of 16393457541 in words is "sixteen billion, three hundred ninety-three million, four hundred fifty-seven thousand, five hundred forty-one".

Divisors: 1 3 31 93 1237 3711 38347 115041 142501 427503 4417531 13252593 176273737 528821211 5464485847 16393457541