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488866088945 = 51319419654707
BaseRepresentation
bin1110001110100101011…
…00001000011111110001
31201201211220210102120102
413013102230020133301
531002144204321240
61012325412522145
750214362123303
oct7072254103761
91651756712512
10488866088945
11179366187313
127a8b4320355
133713b568720
1419938655973
15cab3441815
hex71d2b087f1

488866088945 has 32 divisors (see below), whose sum is σ = 681236196480. Its totient is φ = 333666639360.

The previous prime is 488866088923. The next prime is 488866089001. The reversal of 488866088945 is 549880668884.

It is not a de Polignac number, because 488866088945 - 226 = 488798980081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4776719 + ... + 4877988.

It is an arithmetic number, because the mean of its divisors is an integer number (21288631140).

Almost surely, 2488866088945 is an apocalyptic number.

It is an amenable number.

488866088945 is a deficient number, since it is larger than the sum of its proper divisors (192370107535).

488866088945 is a wasteful number, since it uses less digits than its factorization.

488866088945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654785.

The product of its (nonzero) digits is 849346560, while the sum is 74.

The spelling of 488866088945 in words is "four hundred eighty-eight billion, eight hundred sixty-six million, eighty-eight thousand, nine hundred forty-five".

Divisors: 1 5 13 19 41 65 95 205 247 533 779 1235 2665 3895 10127 50635 9654707 48273535 125511191 183439433 395842987 627555955 917197165 1979214935 2384712629 5145958831 7521016753 11923563145 25729794155 37605083765 97773217789 488866088945