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2872338778380 = 223589537891157
BaseRepresentation
bin101001110011000100101…
…110111000100100001100
3101011121000020011021121210
4221303010232320210030
5334030022211402010
610035311220254420
7414343142530431
oct51630456704414
911147006137553
102872338778380
11a081743a4445
123a4818541410
1317ab2535a006
149d0442b1b88
154eab1db1b20
hex29cc4bb890c

2872338778380 has 48 divisors (see below), whose sum is σ = 8132914308960. Its totient is φ = 757350747648.

The previous prime is 2872338778373. The next prime is 2872338778531. The reversal of 2872338778380 is 838778332782.

It is a super-3 number, since 3×28723387783803 (a number of 38 digits) contains 333 as substring.

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, 268940239 + ... + 268950918.

It is an arithmetic number, because the mean of its divisors is an integer number (169435714770).

Almost surely, 22872338778380 is an apocalyptic number.

2872338778380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2872338778380 is an abundant number, since it is smaller than the sum of its proper divisors (5260575530580).

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

2872338778380 is a wasteful number, since it uses less digits than its factorization.

2872338778380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537891258 (or 537891256 counting only the distinct ones).

The product of its (nonzero) digits is 151732224, while the sum is 66.

The spelling of 2872338778380 in words is "two trillion, eight hundred seventy-two billion, three hundred thirty-eight million, seven hundred seventy-eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 537891157 1075782314 1613673471 2151564628 2689455785 3227346942 5378911570 6454693884 8068367355 10757823140 16136734710 32273469420 47872312973 95744625946 143616938919 191489251892 239361564865 287233877838 478723129730 574467755676 718084694595 957446259460 1436169389190 2872338778380