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4923311920 = 2451923140827
BaseRepresentation
bin1001001010111001…
…11100011100110000
3110201010002011021221
410211130330130300
540040331440140
62132311354424
7233001314032
oct44534743460
913633064257
104923311920
1120a709912a
12b54982a14
13605cbab27
14349c1bc52
151dc35914a
hex12573c730

4923311920 has 80 divisors (see below), whose sum is σ = 12573123840. Its totient is φ = 1784547072.

The previous prime is 4923311909. The next prime is 4923311941. The reversal of 4923311920 is 291133294.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×49233119202 = 48478000523228172800, which contains 22 as substring.

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, 35454 + ... + 105373.

It is an arithmetic number, because the mean of its divisors is an integer number (157164048).

Almost surely, 24923311920 is an apocalyptic number.

4923311920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4923311920 is an abundant number, since it is smaller than the sum of its proper divisors (7649811920).

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

4923311920 is a wasteful number, since it uses less digits than its factorization.

4923311920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140882 (or 140876 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 4923311920 is about 70166.3161353081. The cubic root of 4923311920 is about 1701.1885483069.

The spelling of 4923311920 in words is "four billion, nine hundred twenty-three million, three hundred eleven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 23 38 40 46 76 80 92 95 115 152 184 190 230 304 368 380 437 460 760 874 920 1520 1748 1840 2185 3496 4370 6992 8740 17480 34960 140827 281654 563308 704135 1126616 1408270 2253232 2675713 2816540 3239021 5351426 5633080 6478042 10702852 11266160 12956084 13378565 16195105 21405704 25912168 26757130 32390210 42811408 51824336 53514260 61541399 64780420 107028520 123082798 129560840 214057040 246165596 259121680 307706995 492331192 615413990 984662384 1230827980 2461655960 4923311920