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20006023553731 = 66165951458921
BaseRepresentation
bin1001000110010000000111…
…11011010110001011000011
32121211120001011211201222101
410203020003323112023003
510110234314012204411
6110314350151451231
74133246625260005
oct443100373261303
977746034751871
1020006023553731
116413563816116
1222b1374986b17
13b21738208607
144d242223c375
1524a608ac28c1
hex123203ed62c3

20006023553731 has 8 divisors (see below), whose sum is σ = 20036637318528. Its totient is φ = 19975410840000.

The previous prime is 20006023553641. The next prime is 20006023553741. The reversal of 20006023553731 is 13735532060002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20006023553731 - 215 = 20006023520963 is a prime.

It is a super-2 number, since 2×200060235537312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20006023553741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43364151 + ... + 43823071.

It is an arithmetic number, because the mean of its divisors is an integer number (2504579664816).

Almost surely, 220006023553731 is an apocalyptic number.

20006023553731 is a deficient number, since it is larger than the sum of its proper divisors (30613764797).

20006023553731 is an equidigital number, since it uses as much as digits as its factorization.

20006023553731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525533.

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 20006023553731 in words is "twenty trillion, six billion, twenty-three million, five hundred fifty-three thousand, seven hundred thirty-one".

Divisors: 1 661 65951 458921 43593611 303346781 30266298871 20006023553731