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48897220139 = 1723373335273
BaseRepresentation
bin101101100010100000…
…000101111000101011
311200012201202011001022
4231202200011320223
51300120142021024
634244005043055
73350501341055
oct554240057053
9150181664038
1048897220139
111981222a239
1295876b648b
1347c3457971
14251c0aa8d5
151412b6035e
hexb62805e2b

48897220139 has 16 divisors (see below), whose sum is σ = 54169549632. Its totient is φ = 43901856768.

The previous prime is 48897220133. The next prime is 48897220147. The reversal of 48897220139 is 93102279884.

It is a cyclic number.

It is not a de Polignac number, because 48897220139 - 24 = 48897220123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48897220133) 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, 21794 + ... + 313479.

It is an arithmetic number, because the mean of its divisors is an integer number (3385596852).

Almost surely, 248897220139 is an apocalyptic number.

48897220139 is a deficient number, since it is larger than the sum of its proper divisors (5272329493).

48897220139 is a wasteful number, since it uses less digits than its factorization.

48897220139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335686.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 48897220139 in words is "forty-eight billion, eight hundred ninety-seven million, two hundred twenty thousand, one hundred thirty-nine".

Divisors: 1 17 23 373 391 6341 8579 145843 335273 5699641 7711279 125056829 131091743 2125966093 2876307067 48897220139