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20761068252252 = 22317558118235073
BaseRepresentation
bin1001011100001110100000…
…00110010010110001011100
32201111201221112122112202010
410232013100012102301130
510210122131433033002
6112053300400031220
74241636424311106
oct456072006226134
981451845575663
1020761068252252
1166847a0874499
1223b3773902510
13b779b65c4183
1451ababc4c576
1526009a35546c
hex12e1d0192c5c

20761068252252 has 48 divisors (see below), whose sum is σ = 51301244266272. Its totient is φ = 6512108912640.

The previous prime is 20761068252241. The next prime is 20761068252343. The reversal of 20761068252252 is 25225286016702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7979013 + ... + 10256060.

It is an arithmetic number, because the mean of its divisors is an integer number (1068775922214).

Almost surely, 220761068252252 is an apocalyptic number.

It is an amenable number.

20761068252252 is an abundant number, since it is smaller than the sum of its proper divisors (30540176014020).

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

20761068252252 is a wasteful number, since it uses less digits than its factorization.

20761068252252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240678 (or 18240676 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 20761068252252 in words is "twenty trillion, seven hundred sixty-one billion, sixty-eight million, two hundred fifty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 5581 11162 16743 22324 33486 66972 94877 189754 284631 379508 569262 1138524 18235073 36470146 54705219 72940292 109410438 218820876 309996241 619992482 929988723 1239984964 1859977446 3719954892 101769942413 203539884826 305309827239 407079769652 610619654478 1221239308956 1730089021021 3460178042042 5190267063063 6920356084084 10380534126126 20761068252252