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14977631077861 = 199720114041157
BaseRepresentation
bin1101100111110100000001…
…1000010100010111100101
31222000211212212021101201211
43121331000120110113211
53430343142023442421
651504343445551421
73104045442404134
oct331750030242745
958024785241654
1014977631077861
114854a83306271
12181a922415571
138484ccb1a98a
1439acc7b3d91b
151ae9089609e1
hexd9f406145e5

14977631077861 has 16 divisors (see below), whose sum is σ = 15936387396160. Its totient is φ = 14036066311680.

The previous prime is 14977631077847. The next prime is 14977631077889. The reversal of 14977631077861 is 16877013677941.

It is a cyclic number.

It is not a de Polignac number, because 14977631077861 - 219 = 14977630553573 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 (14977631077061) 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, 1685695 + ... + 5726851.

It is an arithmetic number, because the mean of its divisors is an integer number (996024212260).

Almost surely, 214977631077861 is an apocalyptic number.

It is an amenable number.

14977631077861 is a deficient number, since it is larger than the sum of its proper divisors (958756318299).

14977631077861 is a wasteful number, since it uses less digits than its factorization.

14977631077861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043284.

The product of its (nonzero) digits is 74680704, while the sum is 67.

The spelling of 14977631077861 in words is "fourteen trillion, nine hundred seventy-seven billion, six hundred thirty-one million, seventy-seven thousand, eight hundred sixty-one".

Divisors: 1 19 97 1843 2011 38209 195067 3706273 4041157 76781983 391992229 7447852351 8126766727 154408567813 788296372519 14977631077861