Search a number
-
+
2331942784900 = 225279219332
BaseRepresentation
bin100001111011110010100…
…111110000111110000100
322020221011002202110221121
4201323302213300332010
5301201304323104100
64543140230523324
7330322500423241
oct41736247607604
98227132673847
102331942784900
11819a759aa173
12317b42b06544
1313bb940bbc21
1480c1c0805c8
15409d4b2551a
hex21ef29f0f84

2331942784900 has 81 divisors (see below), whose sum is σ = 5127834076911. Its totient is φ = 920493362880.

The previous prime is 2331942784861. The next prime is 2331942784907. The reversal of 2331942784900 is 94872491332.

The square root of 2331942784900 is 1527070.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4340964996 + 2327601819904 = 65886^2 + 1525648^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331942784907) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1206384334 + ... + 1206386266.

Almost surely, 22331942784900 is an apocalyptic number.

2331942784900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2331942784900 is the 1527070-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2331942784900

2331942784900 is an abundant number, since it is smaller than the sum of its proper divisors (2795891292011).

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

2331942784900 is an frugal number, since it uses more digits than its factorization.

2331942784900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 2331942784900 in words is "two trillion, three hundred thirty-one billion, nine hundred forty-two million, seven hundred eighty-four thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 158 316 395 790 1580 1933 1975 3866 3950 6241 7732 7900 9665 12482 19330 24964 31205 38660 48325 62410 96650 124820 152707 156025 193300 305414 312050 610828 624100 763535 1527070 3054140 3736489 3817675 7472978 7635350 12063853 14945956 15270700 18682445 24127706 37364890 48255412 60319265 74729780 93412225 120638530 186824450 241277060 295182631 301596325 373648900 590365262 603192650 1180730524 1206385300 1475913155 2951826310 5903652620 7379565775 14759131550 23319427849 29518263100 46638855698 93277711396 116597139245 233194278490 466388556980 582985696225 1165971392450 2331942784900