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16707372049 = 19268032
BaseRepresentation
bin11111000111101011…
…00100010000010001
31121010100212102211101
433203311210100101
5233204041401144
611401504544401
71131011214334
oct174365442021
947110772741
1016707372049
1170a396a9a5
1232a3322101
1317634a6c84
14b46ca861b
1567bb726d4
hex3e3d64411

16707372049 has 9 divisors (see below), whose sum is σ = 17635580553. Its totient is φ = 15825710052.

The previous prime is 16707372007. The next prime is 16707372061. The reversal of 16707372049 is 94027370761.

The square root of 16707372049 is 129257.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 16707372049 - 27 = 16707371921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16707370049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2452482 + ... + 2459284.

Almost surely, 216707372049 is an apocalyptic number.

16707372049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16707372049 is the 129257-th square number.

16707372049 is the 64629-th centered octagonal number.

It is an amenable number.

16707372049 is a deficient number, since it is larger than the sum of its proper divisors (928208504).

16707372049 is an frugal number, since it uses more digits than its factorization.

16707372049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644 (or 6822 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 16707372049 in words is "sixteen billion, seven hundred seven million, three hundred seventy-two thousand, forty-nine".

Divisors: 1 19 361 6803 129257 2455883 46280809 879335371 16707372049