Search a number
-
+
10681223952 = 243761521137
BaseRepresentation
bin10011111001010011…
…01000101100010000
31000120101121101201010
421330221220230100
5133333343131302
64523515410520
7525455622420
oct117451505420
930511541633
1010681223952
1145912aa713
1220a1153a40
131012b84579
14734810480
15427ac216c
hex27ca68b10

10681223952 has 80 divisors (see below), whose sum is σ = 32052071552. Its totient is φ = 3001743360.

The previous prime is 10681223933. The next prime is 10681223963. The reversal of 10681223952 is 25932218601.

It is a super-2 number, since 2×106812239522 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10681223952.

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, 240073 + ... + 281064.

Almost surely, 210681223952 is an apocalyptic number.

10681223952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10681223952 is an abundant number, since it is smaller than the sum of its proper divisors (21370847600).

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

10681223952 is a wasteful number, since it uses less digits than its factorization.

10681223952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521216 (or 521210 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 10681223952 in words is "ten billion, six hundred eighty-one million, two hundred twenty-three thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 61 84 112 122 168 183 244 336 366 427 488 732 854 976 1281 1464 1708 2562 2928 3416 5124 6832 10248 20496 521137 1042274 1563411 2084548 3126822 3647959 4169096 6253644 7295918 8338192 10943877 12507288 14591836 21887754 25014576 29183672 31789357 43775508 58367344 63578714 87551016 95368071 127157428 175102032 190736142 222525499 254314856 381472284 445050998 508629712 667576497 762944568 890101996 1335152994 1525889136 1780203992 2670305988 3560407984 5340611976 10681223952