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3728978010 = 2325103402263
BaseRepresentation
bin1101111001000011…
…1011000001011010
3100121212201201011200
43132100323001122
530114104244020
61414004535030
7161256535002
oct33620730132
910555651150
103728978010
111643a0240a
128809b1476
1347572b684
14275365002
1516c58c590
hexde43b05a

3728978010 has 48 divisors (see below), whose sum is σ = 9789496704. Its totient is φ = 984737376.

The previous prime is 3728978009. The next prime is 3728978053. The reversal of 3728978010 is 108798273.

3728978010 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191862 + ... + 210401.

It is an arithmetic number, because the mean of its divisors is an integer number (203947848).

Almost surely, 23728978010 is an apocalyptic number.

3728978010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3728978010 is an abundant number, since it is smaller than the sum of its proper divisors (6060518694).

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

3728978010 is a wasteful number, since it uses less digits than its factorization.

3728978010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402379 (or 402376 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 3728978010 is about 61065.3585103699. The cubic root of 3728978010 is about 1550.7076907116.

The spelling of 3728978010 in words is "three billion, seven hundred twenty-eight million, nine hundred seventy-eight thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 103 206 309 515 618 927 1030 1545 1854 3090 4635 9270 402263 804526 1206789 2011315 2413578 3620367 4022630 6033945 7240734 12067890 18101835 36203670 41433089 82866178 124299267 207165445 248598534 372897801 414330890 621496335 745795602 1242992670 1864489005 3728978010