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20523230652707 = 195472851769247
BaseRepresentation
bin1001010101010011011111…
…10111110110100100100011
32200200000001020020122111222
410222221233313312210203
510142223034021341312
6111352124134525255
74215516534132566
oct452515767664443
980600036218458
1020523230652707
1165a2942733772
12237565850682b
13b5b44221b053
1450d4888504dd
15258cca18a672
hex12aa6fdf6923

20523230652707 has 16 divisors (see below), whose sum is σ = 21643966525440. Its totient is φ = 19406554903008.

The previous prime is 20523230652703. The next prime is 20523230652709. The reversal of 20523230652707 is 70725603232502.

It is a cyclic number.

It is not a de Polignac number, because 20523230652707 - 22 = 20523230652703 is a prime.

It is a super-3 number, since 3×205232306527073 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20523230652703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296342558 + ... + 296411804.

It is an arithmetic number, because the mean of its divisors is an integer number (1352747907840).

Almost surely, 220523230652707 is an apocalyptic number.

20523230652707 is a deficient number, since it is larger than the sum of its proper divisors (1120735872733).

20523230652707 is a wasteful number, since it uses less digits than its factorization.

20523230652707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98330.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 20523230652707 in words is "twenty trillion, five hundred twenty-three billion, two hundred thirty million, six hundred fifty-two thousand, seven hundred seven".

Divisors: 1 19 547 10393 28517 69247 541823 1315693 15598799 37878109 296377181 719684071 1974716699 37519617281 1080170034353 20523230652707