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488215963345 = 51123385941473
BaseRepresentation
bin1110001101010111111…
…00000110011011010001
31201200011121110121220111
413012223330012123101
530444331241311340
61012141110241321
750162306134345
oct7065374063321
91650147417814
10488215963345
11179062202330
127a752656241
133706696c516
14198b6181625
15ca76321aea
hex71abf066d1

488215963345 has 16 divisors (see below), whose sum is σ = 666906867072. Its totient is φ = 339628495360.

The previous prime is 488215963229. The next prime is 488215963349. The reversal of 488215963345 is 543369512884.

It is not a de Polignac number, because 488215963345 - 27 = 488215963217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488215963345.

It is not an unprimeable number, because it can be changed into a prime (488215963349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192969472 + ... + 192972001.

It is an arithmetic number, because the mean of its divisors is an integer number (41681679192).

Almost surely, 2488215963345 is an apocalyptic number.

It is an amenable number.

488215963345 is a deficient number, since it is larger than the sum of its proper divisors (178690903727).

488215963345 is a wasteful number, since it uses less digits than its factorization.

488215963345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385941512.

The product of its digits is 24883200, while the sum is 58.

The spelling of 488215963345 in words is "four hundred eighty-eight billion, two hundred fifteen million, nine hundred sixty-three thousand, three hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 385941473 1929707365 4245356203 8876653879 21226781015 44383269395 97643192669 488215963345