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53503124404 = 221719109137957
BaseRepresentation
bin110001110101000010…
…001110001110110100
312010002201120022220011
4301311002032032310
51334033244440104
640325021350004
73602600024302
oct616502161664
9163081508804
1053503124404
1120766134294
12a452108304
1350787614c2
142837aa3272
1515d21bc904
hexc7508e3b4

53503124404 has 48 divisors (see below), whose sum is σ = 104454342720. Its totient is φ = 23830295040.

The previous prime is 53503124383. The next prime is 53503124417. The reversal of 53503124404 is 40442130535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390594 + ... + 1428550.

It is an arithmetic number, because the mean of its divisors is an integer number (2176132140).

Almost surely, 253503124404 is an apocalyptic number.

It is an amenable number.

53503124404 is a deficient number, since it is larger than the sum of its proper divisors (50951218316).

53503124404 is a wasteful number, since it uses less digits than its factorization.

53503124404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39088 (or 39086 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 53503124404 its reverse (40442130535), we get a palindrome (93945254939).

The spelling of 53503124404 in words is "fifty-three billion, five hundred three million, one hundred twenty-four thousand, four hundred four".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1091 1292 2182 4364 18547 20729 37094 37957 41458 74188 75914 82916 151828 352393 645269 704786 721183 1290538 1409572 1442366 2581076 2884732 12260111 24520222 41411087 49040444 82822174 165644348 703988479 786810653 1407976958 1573621306 2815953916 3147242612 13375781101 26751562202 53503124404