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550380751157 = 16212341145037
BaseRepresentation
bin10000000001001010011…
…11111100100100110101
31221121121222111001021002
420000211033330210311
533004134433014112
61100501425333045
754522643123646
oct10004517744465
91847558431232
10550380751157
111a2462649526
128a801497185
133cb92a4c833
141c8d23476cd
15e4b3b381c2
hex80253fc935

550380751157 has 8 divisors (see below), whose sum is σ = 550959331512. Its totient is φ = 549802468800.

The previous prime is 550380751153. The next prime is 550380751181. The reversal of 550380751157 is 751157083055.

It can be written as a sum of positive squares in 4 ways, for example, as 270456162916 + 279924588241 = 520054^2 + 529079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550380751157 - 22 = 550380751153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550380751153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722243 + ... + 3867279.

It is an arithmetic number, because the mean of its divisors is an integer number (68869916439).

Almost surely, 2550380751157 is an apocalyptic number.

It is an amenable number.

550380751157 is a deficient number, since it is larger than the sum of its proper divisors (578580355).

550380751157 is a wasteful number, since it uses less digits than its factorization.

550380751157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148999.

The product of its (nonzero) digits is 735000, while the sum is 47.

The spelling of 550380751157 in words is "five hundred fifty billion, three hundred eighty million, seven hundred fifty-one thousand, one hundred fifty-seven".

Divisors: 1 1621 2341 145037 3794761 235104977 339531617 550380751157