Search a number
-
+
625552230316461 = 37151492158991081
BaseRepresentation
bin1000111000111011111011101…
…0011110011111100110101101
310001000220012122111020111122220
42032032332322132133212231
51123443021431430111321
610054234421035225553
7245522441264302650
oct21616767236374655
93030805574214586
10625552230316461
1117135823599a828
125a1b02682a82b9
1320b08425b59a86
14b068c64ab5897
154c4c0b09579c6
hex238efba79f9ad

625552230316461 has 32 divisors (see below), whose sum is σ = 953339992224000. Its totient is φ = 357414340631040.

The previous prime is 625552230316439. The next prime is 625552230316493. The reversal of 625552230316461 is 164613032255526.

It is not a de Polignac number, because 625552230316461 - 26 = 625552230316397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625552230316061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6868041441 + ... + 6868132521.

It is an arithmetic number, because the mean of its divisors is an integer number (29791874757000).

Almost surely, 2625552230316461 is an apocalyptic number.

It is an amenable number.

625552230316461 is a deficient number, since it is larger than the sum of its proper divisors (327787761907539).

625552230316461 is a wasteful number, since it uses less digits than its factorization.

625552230316461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127829.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 625552230316461 in words is "six hundred twenty-five trillion, five hundred fifty-two billion, two hundred thirty million, three hundred sixteen thousand, four hundred sixty-one".

Divisors: 1 3 7 21 15149 21589 45447 64767 91081 106043 151123 273243 318129 453369 637567 1912701 327051761 981155283 1379786069 1966347709 2289362327 4139358207 5899043127 6868086981 9658502483 13764433963 28975507449 41293301889 29788201443641 89364604330923 208517410105487 625552230316461