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6992477981423 = 1119231454644889
BaseRepresentation
bin110010111000001000000…
…1010101000101011101111
3220202110210210221211201122
41211300100022220223233
51404031043330401143
622512144450331155
71321122060106664
oct145602012505357
926673723854648
106992477981423
112256547588470
1294b232889abb
133b950712b46c
141a261b231a6b
15c1d5516cc68
hex65c102a8aef

6992477981423 has 16 divisors (see below), whose sum is σ = 8378754566400. Its totient is φ = 5760393756480.

The previous prime is 6992477981299. The next prime is 6992477981479. The reversal of 6992477981423 is 3241897742996.

It is not a de Polignac number, because 6992477981423 - 210 = 6992477980399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6992477987423) 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, 727317638 + ... + 727327251.

It is an arithmetic number, because the mean of its divisors is an integer number (523672160400).

Almost surely, 26992477981423 is an apocalyptic number.

6992477981423 is a deficient number, since it is larger than the sum of its proper divisors (1386276584977).

6992477981423 is a wasteful number, since it uses less digits than its factorization.

6992477981423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454644942.

The product of its digits is 329204736, while the sum is 71.

The spelling of 6992477981423 in words is "six trillion, nine hundred ninety-two billion, four hundred seventy-seven million, nine hundred eighty-one thousand, four hundred twenty-three".

Divisors: 1 11 19 23 209 253 437 4807 1454644889 16001093779 27638252891 33456832447 304020781801 368025156917 635679816493 6992477981423