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520934769474 = 237219794392689
BaseRepresentation
bin1111001010010100010…
…00011100001101000010
31211210121211200012010220
413211022020130031002
532013333300110344
61035151504003510
752431151323600
oct7451210341502
91753554605126
10520934769474
11190a22107679
1284b64000596
133a17c3a3c32
141b2db716870
15d83d997c19
hex794a21c342

520934769474 has 192 divisors, whose sum is σ = 1295331840000. Its totient is φ = 138851241984.

The previous prime is 520934769451. The next prime is 520934769491. The reversal of 520934769474 is 474967439025.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 193726722 + ... + 193729410.

It is an arithmetic number, because the mean of its divisors is an integer number (6746520000).

Almost surely, 2520934769474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520934769474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647665920000).

520934769474 is an abundant number, since it is smaller than the sum of its proper divisors (774397070526).

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

520934769474 is a wasteful number, since it uses less digits than its factorization.

520934769474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 520934769474 in words is "five hundred twenty billion, nine hundred thirty-four million, seven hundred sixty-nine thousand, four hundred seventy-four".