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4787874395920 = 245711777252337
BaseRepresentation
bin100010110101100001110…
…0011010111011100010000
3121221201100012100221011101
41011223003203113130100
51111421031321132140
614103304044354144
71002624663606550
oct105530343273420
917851305327141
104787874395920
111586587305570
12653b09545954
132896578a3945
14127a3d10d160
15848249ba99a
hex45ac38d7710

4787874395920 has 80 divisors (see below), whose sum is σ = 13878617747328. Its totient is φ = 1492324485120.

The previous prime is 4787874395897. The next prime is 4787874395951. The reversal of 4787874395920 is 295934787874.

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

It is a super-2 number, since 2×47878743959202 (a number of 26 digits) 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, 388620009 + ... + 388632328.

Almost surely, 24787874395920 is an apocalyptic number.

4787874395920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4787874395920 is an abundant number, since it is smaller than the sum of its proper divisors (9090743351408).

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

4787874395920 is a wasteful number, since it uses less digits than its factorization.

4787874395920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777252368 (or 777252362 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 73.

The spelling of 4787874395920 in words is "four trillion, seven hundred eighty-seven billion, eight hundred seventy-four million, three hundred ninety-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 770 880 1232 1540 3080 6160 777252337 1554504674 3109009348 3886261685 5440766359 6218018696 7772523370 8549775707 10881532718 12436037392 15545046740 17099551414 21763065436 27203831795 31090093480 34199102828 42748878535 43526130872 54407663590 59848429949 62180186960 68398205656 85497757070 87052261744 108815327180 119696859898 136796411312 170995514140 217630654360 239393719796 299242149745 341991028280 435261308720 478787439592 598484299490 683982056560 957574879184 1196968598980 2393937197960 4787874395920