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48810497575401 = 3237211325572
BaseRepresentation
bin10110001100100100101000…
…10111101000100111101001
320101211020102111111020102100
423012102110113220213221
522344202344334403101
6251451122200124013
713165304426555142
oct1306222427504751
9211736374436370
1048810497575401
1114609463437851
125583974a66609
132130a6bc3c063
14c0a625366ac9
15599a1686be86
hex2c64945e89e9

48810497575401 has 81 divisors (see below), whose sum is σ = 73239479293071. Its totient is φ = 31324339920384.

The previous prime is 48810497575391. The next prime is 48810497575513. The reversal of 48810497575401 is 10457579401884.

The square root of 48810497575401 is 6986451.

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

48810497575401 is a `hidden beast` number, since 4 + 8 + 8 + 10 + 4 + 9 + 7 + 575 + 40 + 1 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 48288670490025 + 521827085376 = 6949005^2 + 722376^2 .

It is not a de Polignac number, because 48810497575401 - 217 = 48810497444329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48810497573401) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 87631054615 + ... + 87631055171.

Almost surely, 248810497575401 is an apocalyptic number.

48810497575401 is the 6986451-st square number.

48810497575401 is the 3493226-th centered octagonal number.

It is an amenable number.

48810497575401 is a deficient number, since it is larger than the sum of its proper divisors (24428981717670).

48810497575401 is an frugal number, since it uses more digits than its factorization.

48810497575401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 48810497575401 in words is "forty-eight trillion, eight hundred ten billion, four hundred ninety-seven million, five hundred seventy-five thousand, four hundred one".

Divisors: 1 3 9 37 111 113 333 339 557 1017 1369 1671 4107 4181 5013 12321 12543 12769 20609 37629 38307 61827 62941 114921 154697 185481 188823 310249 464091 472453 566469 762533 930747 1392273 1417359 2287599 2328817 2792241 4252077 6862797 6986451 7112333 11479213 17480761 20959353 21336999 34437639 35058137 52442283 64010997 86166229 103312917 105174411 157326849 258498687 263156321 315523233 424730881 775496061 789468963 1274192643 1297151069 2368406889 3822577929 3891453207 3961569481 9736783877 11674359621 11884708443 29210351631 35654125329 47994589553 87631054893 143983768659 146578070797 431951305977 439734212391 1319202637173 5423388619489 16270165858467 48810497575401