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16094912463981 = 32131949193147179
BaseRepresentation
bin1110101000110110001110…
…0010100100010001101101
32002222122210010022112120100
43222031203202210101231
54102144340042321411
654121522315341313
73250550635445451
oct352154342442155
962878703275510
1016094912463981
1151458a554644a
12197b375751839
138c9988c9a8c0
143d8dd8412661
151cd9eb66c456
hexea3638a446d

16094912463981 has 48 divisors (see below), whose sum is σ = 26354957428800. Its totient is φ = 9383014308096.

The previous prime is 16094912463979. The next prime is 16094912463983. The reversal of 16094912463981 is 18936421949061.

16094912463981 is a `hidden beast` number, since 1 + 6 + 0 + 9 + 4 + 91 + 2 + 463 + 9 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (16094912463979) and next prime (16094912463983).

It is not a de Polignac number, because 16094912463981 - 21 = 16094912463979 is a prime.

It is a super-2 number, since 2×160949124639812 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16094912463983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109282450 + ... + 109429628.

It is an arithmetic number, because the mean of its divisors is an integer number (549061613100).

Almost surely, 216094912463981 is an apocalyptic number.

It is an amenable number.

16094912463981 is a deficient number, since it is larger than the sum of its proper divisors (10260044964819).

16094912463981 is a wasteful number, since it uses less digits than its factorization.

16094912463981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196410 (or 196407 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 16094912463981 in words is "sixteen trillion, ninety-four billion, nine hundred twelve million, four hundred sixty-three thousand, nine hundred eighty-one".

Divisors: 1 3 9 13 19 39 57 117 171 247 741 2223 49193 147179 147579 441537 442737 639509 934667 1324611 1913327 1918527 2796401 2804001 5739981 5755581 8389203 8412003 12150671 17219943 25167609 36353213 36452013 109059639 109356039 327178917 7240176547 21720529641 65161588923 94122295111 137563354393 282366885333 412690063179 847100655999 1238070189537 1788323607109 5364970821327 16094912463981