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2972072560900 = 2252172101412
BaseRepresentation
bin101011001111111101010…
…101000100100100000100
3101112010102211212101010211
4223033331111010210010
5342143301033422100
610153203513325204
7424503504640612
oct53177525044404
911463384771124
102972072560900
11a464a352a3a3
12400011106804
1318735a969501
14a3bc5c346b2
155249ca621ba
hex2b3fd544904

2972072560900 has 81 divisors (see below), whose sum is σ = 6851765682237. Its totient is φ = 1118787571200.

The previous prime is 2972072560841. The next prime is 2972072560901. The reversal of 2972072560900 is 90652702792.

The square root of 2972072560900 is 1723970.

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

It can be written as a sum of positive squares in 13 ways, for example, as 2045489202436 + 926583358464 = 1430206^2 + 962592^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972072560901) 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, 293069830 + ... + 293079970.

Almost surely, 22972072560900 is an apocalyptic number.

2972072560900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2972072560900 is the 1723970-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2972072560900

2972072560900 is an abundant number, since it is smaller than the sum of its proper divisors (3879693121337).

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

2972072560900 is an equidigital number, since it uses as much as digits as its factorization.

2972072560900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330 (or 10165 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

Multiplying 2972072560900 by its sum of digits (49), we get a square (145631555484100 = 120677902).

The spelling of 2972072560900 in words is "two trillion, nine hundred seventy-two billion, seventy-two million, five hundred sixty thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1445 1700 2890 5780 7225 10141 14450 20282 28900 40564 50705 101410 172397 202820 253525 344794 507050 689588 861985 1014100 1723970 2930749 3447940 4309925 5861498 8619850 11722996 14653745 17239700 29307490 58614980 73268725 102839881 146537450 205679762 293074900 411359524 514199405 1028398810 1748277977 2056797620 2570997025 3496555954 5141994050 6993111908 8741389885 10283988100 17482779770 29720725609 34965559540 43706949425 59441451218 87413898850 118882902436 148603628045 174827797700 297207256090 594414512180 743018140225 1486036280450 2972072560900