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53520404626507 = 7213101982452869
BaseRepresentation
bin11000010101101001100001…
…01101001011110001001011
321000111111112000112200022011
430022310300231023301023
524003334242041022012
6305454533502040351
714162502343132600
oct1412646055136113
9230444460480264
1053520404626507
1116064970157155
1260047432790b7
1323b2c4c849930
14d305896566a7
1562c2c652c1a7
hex30ad30b4bc4b

53520404626507 has 24 divisors (see below), whose sum is σ = 67113338065200. Its totient is φ = 42304257890496.

The previous prime is 53520404626459. The next prime is 53520404626523. The reversal of 53520404626507 is 70562640402535.

It is not a de Polignac number, because 53520404626507 - 215 = 53520404593739 is a prime.

It is a super-2 number, since 2×535204046265072 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (53520404626207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40577332 + ... + 41875537.

It is an arithmetic number, because the mean of its divisors is an integer number (2796389086050).

Almost surely, 253520404626507 is an apocalyptic number.

53520404626507 is a deficient number, since it is larger than the sum of its proper divisors (13592933438693).

53520404626507 is a wasteful number, since it uses less digits than its factorization.

53520404626507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82453915 (or 82453908 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 53520404626507 in words is "fifty-three trillion, five hundred twenty billion, four hundred four million, six hundred twenty-six thousand, five hundred seven".

Divisors: 1 7 13 49 91 637 1019 7133 13247 49931 92729 649103 82452869 577170083 1071887297 4040190581 7503211079 52522477553 84019473511 588136314577 1092253155643 4116954202039 7645772089501 53520404626507