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909930829020 = 223543135186807
BaseRepresentation
bin11010011110111000001…
…10101001010011011100
310012222200122101110121120
431033130012221103130
5104402014243012040
61534003315330540
7122511635300553
oct15173406512334
93188618343546
10909930829020
1132099925a704
12128425bb0a50
1367a630381b5
14320802a0d9a
1518a092c47d0
hexd3dc1a94dc

909930829020 has 48 divisors (see below), whose sum is σ = 2553717777408. Its totient is φ = 242085225280.

The previous prime is 909930829019. The next prime is 909930829061. The reversal of 909930829020 is 20928039909.

It is a super-2 number, since 2×9099308290202 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17567544 + ... + 17619263.

It is an arithmetic number, because the mean of its divisors is an integer number (53202453696).

Almost surely, 2909930829020 is an apocalyptic number.

It is an amenable number.

909930829020 is an abundant number, since it is smaller than the sum of its proper divisors (1643786948388).

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

909930829020 is a wasteful number, since it uses less digits than its factorization.

909930829020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35187250 (or 35187248 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 909930829020 in words is "nine hundred nine billion, nine hundred thirty million, eight hundred twenty-nine thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 431 862 1293 1724 2155 2586 4310 5172 6465 8620 12930 25860 35186807 70373614 105560421 140747228 175934035 211120842 351868070 422241684 527802105 703736140 1055604210 2111208420 15165513817 30331027634 45496541451 60662055268 75827569085 90993082902 151655138170 181986165804 227482707255 303310276340 454965414510 909930829020