Search a number
-
+
2923973880980 = 2251021208368743
BaseRepresentation
bin101010100011001010011…
…011001010110010010100
3101100112021202201021100012
4222203022123022302110
5340401244303142410
610115131031535352
7421151540623235
oct52431233126224
911315252637305
102923973880980
11a28061034259
123b2828b2a558
13182963aa3169
14a1741c3308c
15510d508b605
hex2a8ca6cac94

2923973880980 has 48 divisors (see below), whose sum is σ = 6149399378304. Its totient is φ = 1167866087040.

The previous prime is 2923973880967. The next prime is 2923973881027. The reversal of 2923973880980 is 890883793292.

It is a self number, because there is not a number n which added to its sum of digits gives 2923973880980.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42500489 + ... + 42569231.

It is an arithmetic number, because the mean of its divisors is an integer number (128112487048).

Almost surely, 22923973880980 is an apocalyptic number.

2923973880980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2923973880980 is an abundant number, since it is smaller than the sum of its proper divisors (3225425497324).

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

2923973880980 is a wasteful number, since it uses less digits than its factorization.

2923973880980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71856 (or 71854 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 68.

The spelling of 2923973880980 in words is "two trillion, nine hundred twenty-three billion, nine hundred seventy-three million, eight hundred eighty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1021 2042 2083 4084 4166 5105 8332 10210 10415 20420 20830 41660 68743 137486 274972 343715 687430 1374860 2126743 4253486 8506972 10633715 21267430 42534860 70186603 140373206 143191669 280746412 286383338 350933015 572766676 701866030 715958345 1403732060 1431916690 2863833380 146198694049 292397388098 584794776196 730993470245 1461986940490 2923973880980