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99768753812 = 227131092514587
BaseRepresentation
bin101110011101010101…
…1100101111010010100
3100112112001111211010002
41130322223211322110
53113311300110222
6113455542350432
710131235262240
oct1347253457224
9315461454102
1099768753812
1139347951452
121740442b418
13953c935190
144b86467420
1528ddcac392
hex173aae5e94

99768753812 has 48 divisors (see below), whose sum is σ = 216858069120. Its totient is φ = 39106841472.

The previous prime is 99768753787. The next prime is 99768753829. The reversal of 99768753812 is 21835786799.

It is a super-3 number, since 3×997687538123 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217618 + ... + 1296969.

It is an arithmetic number, because the mean of its divisors is an integer number (4517876440).

Almost surely, 299768753812 is an apocalyptic number.

It is an amenable number.

99768753812 is an abundant number, since it is smaller than the sum of its proper divisors (117089315308).

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

99768753812 is a wasteful number, since it uses less digits than its factorization.

99768753812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514720 (or 2514718 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 65.

The spelling of 99768753812 in words is "ninety-nine billion, seven hundred sixty-eight million, seven hundred fifty-three thousand, eight hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 109 182 218 364 436 763 1417 1526 2834 3052 5668 9919 19838 39676 2514587 5029174 10058348 17602109 32689631 35204218 65379262 70408436 130758524 228827417 274089983 457654834 548179966 915309668 1096359932 1918629881 3563169779 3837259762 7126339558 7674519524 14252679116 24942188453 49884376906 99768753812