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2820668105154 = 234310932822113
BaseRepresentation
bin101001000010111100111…
…010111010000111000010
3100222122122012200010011210
4221002330322322013002
5332203212013331104
65555444054350550
7410533533205314
oct51027472720702
910878565603153
102820668105154
11998269679919
123967b805b456
13175cac43b463
149a741b317b4
154d58aa0c989
hex290bceba1c2

2820668105154 has 16 divisors (see below), whose sum is σ = 5772530076192. Its totient is φ = 918357057408.

The previous prime is 2820668105137. The next prime is 2820668105179. The reversal of 2820668105154 is 4515018660282.

It is a super-4 number, since 4×28206681051544 (a number of 51 digits) contains 4444 as substring.

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, 5466410799 + ... + 5466411314.

It is an arithmetic number, because the mean of its divisors is an integer number (360783129762).

Almost surely, 22820668105154 is an apocalyptic number.

2820668105154 is an abundant number, since it is smaller than the sum of its proper divisors (2951861971038).

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

2820668105154 is a wasteful number, since it uses less digits than its factorization.

2820668105154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932822161.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 2820668105154 in words is "two trillion, eight hundred twenty billion, six hundred sixty-eight million, one hundred five thousand, one hundred fifty-four".

Divisors: 1 2 3 6 43 86 129 258 10932822113 21865644226 32798466339 65596932678 470111350859 940222701718 1410334052577 2820668105154