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16137000208 = 247392936671
BaseRepresentation
bin11110000011101011…
…10001010100010000
31112122121121112202101
433001311301110100
5231022033001313
611225131530144
71110614144560
oct170165612420
945577545671
1016137000208
116930a0910a
1231642b9954
1316a2283044
14ad1234da0
15646a585dd
hex3c1d71510

16137000208 has 40 divisors (see below), whose sum is σ = 35741998080. Its totient is φ = 6913908480.

The previous prime is 16137000197. The next prime is 16137000221. The reversal of 16137000208 is 80200073161.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 421713 + ... + 458383.

It is an arithmetic number, because the mean of its divisors is an integer number (893549952).

Almost surely, 216137000208 is an apocalyptic number.

16137000208 is the 73342-nd octagonal number.

It is an amenable number.

16137000208 is an abundant number, since it is smaller than the sum of its proper divisors (19604997872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16137000208 is a wasteful number, since it uses less digits than its factorization.

16137000208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40615 (or 40609 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 16137000208 its reverse (80200073161), we get a palindrome (96337073369).

The spelling of 16137000208 in words is "sixteen billion, one hundred thirty-seven million, two hundred eight", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 16 28 56 112 3929 7858 15716 27503 31432 36671 55006 62864 73342 110012 146684 220024 256697 293368 440048 513394 586736 1026788 2053576 4107152 144080359 288160718 576321436 1008562513 1152642872 2017125026 2305285744 4034250052 8068500104 16137000208