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2850961333441 = 1349721032
BaseRepresentation
bin101001011111001010100…
…010011001110011000001
3101002112211101201120010211
4221133022202121303001
5333202232100132231
610021414043354121
7412655323331164
oct51371242316301
911075741646124
102850961333441
119aa0a4391681
123a0651222941
13178ac94a0000
149bdb70a9adb
154e260258eb1
hex297ca899cc1

2850961333441 has 45 divisors (see below), whose sum is σ = 3151294160031. Its totient is φ = 2579239473408.

The previous prime is 2850961333427. The next prime is 2850961333453. The reversal of 2850961333441 is 1443331690582.

The square root of 2850961333441 is 1688479.

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

It can be written as a sum of positive squares in 7 ways, for example, as 2844703890625 + 6257442816 = 1686625^2 + 79104^2 .

It is not a de Polignac number, because 2850961333441 - 213 = 2850961325249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2850961333421) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 27679236196 + ... + 27679236298.

Almost surely, 22850961333441 is an apocalyptic number.

2850961333441 is the 1688479-th square number.

2850961333441 is the 844240-th centered octagonal number.

It is an amenable number.

2850961333441 is a deficient number, since it is larger than the sum of its proper divisors (300332826590).

2850961333441 is an frugal number, since it uses more digits than its factorization.

2850961333441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

Multiplying 2850961333441 by its sum of digits (49), we get a square (139697105338609 = 118193532).

The spelling of 2850961333441 in words is "two trillion, eight hundred fifty billion, nine hundred sixty-one million, three hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 13 97 103 169 1261 1339 2197 9409 9991 10609 16393 17407 28561 122317 129883 137917 213109 226291 969127 1029073 1590121 1688479 1792921 2770417 2941783 12598651 13377949 20671573 21950227 23307973 99820081 163782463 173913337 268730449 285352951 303003649 1297661053 2129172019 2260873381 16869593689 27679236247 29391353953 219304717957 2850961333441