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48745983663531 = 357112605204621
BaseRepresentation
bin10110001010101100011110…
…00010100101110110101011
320101121001220102011221200000
423011112033002211312223
522342123233304213111
6251401332403114043
713160531626425420
oct1305261702456653
9211531812157600
1048745983663531
1114594067a77a10
12557336b372923
13212795a2770cb
14c074651c5d47
15597edcbcdc56
hex2c558f0a5dab

48745983663531 has 48 divisors (see below), whose sum is σ = 91036270311168. Its totient is φ = 25322588906400.

The previous prime is 48745983663493. The next prime is 48745983663653. The reversal of 48745983663531 is 13536638954784.

It is a happy number.

48745983663531 is a `hidden beast` number, since 4 + 8 + 7 + 4 + 5 + 9 + 83 + 6 + 6 + 3 + 531 = 666.

It is not a de Polignac number, because 48745983663531 - 210 = 48745983662507 is a prime.

It is a super-2 number, since 2×487459836635312 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48745983663531.

It is not an unprimeable number, because it can be changed into a prime (48745983613531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1302583600 + ... + 1302621021.

It is an arithmetic number, because the mean of its divisors is an integer number (1896588964816).

Almost surely, 248745983663531 is an apocalyptic number.

48745983663531 is a deficient number, since it is larger than the sum of its proper divisors (42290286647637).

48745983663531 is a wasteful number, since it uses less digits than its factorization.

48745983663531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605204654 (or 2605204642 counting only the distinct ones).

The product of its digits is 1567641600, while the sum is 72.

The spelling of 48745983663531 in words is "forty-eight trillion, seven hundred forty-five billion, nine hundred eighty-three million, six hundred sixty-three thousand, five hundred thirty-one".

Divisors: 1 3 7 9 11 21 27 33 63 77 81 99 189 231 243 297 567 693 891 1701 2079 2673 6237 18711 2605204621 7815613863 18236432347 23446841589 28657250831 54709297041 70340524767 85971752493 164127891123 200600755817 211021574301 257915257479 492383673369 601802267451 633064722903 773745772437 1477151020107 1805406802353 2321237317311 4431453060321 5416220407059 6963711951933 16248661221177 48745983663531