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2690840833477 = 3797277086251
BaseRepresentation
bin100111001010000010100…
…111001010110111000101
3100112020112022202101021021
4213022002213022313011
5323041320223132402
65420053305351141
7365256354462136
oct47120247126705
910466468671237
102690840833477
119481a7556075
123756051984b1
1316698c292a44
1494347589c8d
1549edce17d37
hex272829cadc5

2690840833477 has 4 divisors (see below), whose sum is σ = 2690848299456. Its totient is φ = 2690833367500.

The previous prime is 2690840833441. The next prime is 2690840833489. The reversal of 2690840833477 is 7743380480962.

It is a happy number.

2690840833477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2690840833477 is a prime.

It is a super-2 number, since 2×26908408334772 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690840833777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3163399 + ... + 3922852.

It is an arithmetic number, because the mean of its divisors is an integer number (672712074864).

Almost surely, 22690840833477 is an apocalyptic number.

It is an amenable number.

2690840833477 is a deficient number, since it is larger than the sum of its proper divisors (7465979).

2690840833477 is an equidigital number, since it uses as much as digits as its factorization.

2690840833477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465978.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 2690840833477 in words is "two trillion, six hundred ninety billion, eight hundred forty million, eight hundred thirty-three thousand, four hundred seventy-seven".

Divisors: 1 379727 7086251 2690840833477