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523490542080 = 29351131474253
BaseRepresentation
bin1111001111000100111…
…01111100001000000000
31212001012221210220001120
413213202131330020000
532034102034321310
61040253243032240
752551404121642
oct7474235741000
91761187726046
10523490542080
11192013844440
1285557b0b680
133a498a3010c
141b4a0d24892
15d93d03db70
hex79e277c200

523490542080 has 640 divisors, whose sum is σ = 1925115641856. Its totient is φ = 120171724800.

The previous prime is 523490542063. The next prime is 523490542093. The reversal of 523490542080 is 80245094325.

It is a tau number, because it is divible by the number of its divisors (640).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123085234 + ... + 123089486.

Almost surely, 2523490542080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523490542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962557820928).

523490542080 is an abundant number, since it is smaller than the sum of its proper divisors (1401625099776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523490542080 is a wasteful number, since it uses less digits than its factorization.

523490542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368 (or 4352 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 523490542080 in words is "five hundred twenty-three billion, four hundred ninety million, five hundred forty-two thousand, eighty".