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2830621952840 = 2351154111891371
BaseRepresentation
bin101001001100001110001…
…101110100101101001000
3101000121022220120222020012
4221030032031310231020
5332334103204442330
610004211512051052
7411335310416363
oct51141615645510
911017286528205
102830621952840
119a1507330a20
12398715693a88
13176c076b9966
149b007abd0da
154d96e800c95
hex2930e374b48

2830621952840 has 64 divisors (see below), whose sum is σ = 6960733513920. Its totient is φ = 1027414368000.

The previous prime is 2830621952731. The next prime is 2830621952857. The reversal of 2830621952840 is 482591260382.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 5707646 + ... + 6183725.

It is an arithmetic number, because the mean of its divisors is an integer number (108761461155).

Almost surely, 22830621952840 is an apocalyptic number.

2830621952840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830621952840 is an abundant number, since it is smaller than the sum of its proper divisors (4130111561080).

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

2830621952840 is a wasteful number, since it uses less digits than its factorization.

2830621952840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891934 (or 11891930 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 2830621952840 in words is "two trillion, eight hundred thirty billion, six hundred twenty-one million, nine hundred fifty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 541 1082 2164 2705 4328 5410 5951 10820 11902 21640 23804 29755 47608 59510 119020 238040 11891371 23782742 47565484 59456855 95130968 118913710 130805081 237827420 261610162 475654840 523220324 654025405 1046440648 1308050810 2616101620 5232203240 6433231711 12866463422 25732926844 32166158555 51465853688 64332317110 70765548821 128664634220 141531097642 257329268440 283062195284 353827744105 566124390568 707655488210 1415310976420 2830621952840