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507405978932 = 22313405276341
BaseRepresentation
bin1110110001000111100…
…00001100110100110100
31210111200222212102102112
413120203300030310310
531303131412311212
61025033223030152
751441664441556
oct7304360146464
91714628772375
10507405978932
1118620a4a1046
128240929b358
1338b045a9828
141a7b6a5d4d6
15d2eade2422
hex7623c0cd34

507405978932 has 12 divisors (see below), whose sum is σ = 890797399716. Its totient is φ = 252892436160.

The previous prime is 507405978931. The next prime is 507405978977. The reversal of 507405978932 is 239879504705.

It can be written as a sum of positive squares in 2 ways, for example, as 165269893156 + 342136085776 = 406534^2 + 584924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507405978931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202636919 + ... + 202639422.

It is an arithmetic number, because the mean of its divisors is an integer number (74233116643).

Almost surely, 2507405978932 is an apocalyptic number.

It is an amenable number.

507405978932 is a deficient number, since it is larger than the sum of its proper divisors (383391420784).

507405978932 is a wasteful number, since it uses less digits than its factorization.

507405978932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405276658 (or 405276656 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 59.

The spelling of 507405978932 in words is "five hundred seven billion, four hundred five million, nine hundred seventy-eight thousand, nine hundred thirty-two".

Divisors: 1 2 4 313 626 1252 405276341 810552682 1621105364 126851494733 253702989466 507405978932