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2108228908620 = 223549037166459
BaseRepresentation
bin11110101011011100001…
…111000011011001001100
321110112201002122001201010
4132223130033003121030
5234020123100033440
64252301302045220
7305212610022552
oct36533417033114
97415632561633
102108228908620
1174310529180a
122a0709719810
13123a60b534c3
1474078763bd2
1539c8e87c580
hex1eadc3c364c

2108228908620 has 48 divisors (see below), whose sum is σ = 5904245733120. Its totient is φ = 562079633856.

The previous prime is 2108228908609. The next prime is 2108228908627. The reversal of 2108228908620 is 268098228012.

It is a happy number.

It is a super-2 number, since 2×21082289086202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2108228908620.

It is not an unprimeable number, because it can be changed into a prime (2108228908627) 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, 3289050 + ... + 3877409.

It is an arithmetic number, because the mean of its divisors is an integer number (123005119440).

Almost surely, 22108228908620 is an apocalyptic number.

2108228908620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108228908620 is an abundant number, since it is smaller than the sum of its proper divisors (3796016824500).

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

2108228908620 is a wasteful number, since it uses less digits than its factorization.

2108228908620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171374 (or 7171372 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 2108228908620 in words is "two trillion, one hundred eight billion, two hundred twenty-eight million, nine hundred eight thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4903 9806 14709 19612 24515 29418 49030 58836 73545 98060 147090 294180 7166459 14332918 21499377 28665836 35832295 42998754 71664590 85997508 107496885 143329180 214993770 429987540 35137148477 70274296954 105411445431 140548593908 175685742385 210822890862 351371484770 421645781724 527057227155 702742969540 1054114454310 2108228908620