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20213102023023 = 3713137540442823
BaseRepresentation
bin1001001100010001110101…
…10001000001000101101111
32122120100112211111220220010
410212020322301001011233
510122132413104214043
6110553434302024303
74154230340232510
oct446107261010557
978510484456803
1020213102023023
116493368157038
122325526b78093
13b38119b76150
144dc468464a07
15250bc86b1133
hex12623ac4116f

20213102023023 has 32 divisors (see below), whose sum is σ = 33412337150976. Its totient is φ = 10584032226048.

The previous prime is 20213102023013. The next prime is 20213102023033. The reversal of 20213102023023 is 32032020131202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20213102023013) and next prime (20213102023033).

It is not a de Polignac number, because 20213102023023 - 24 = 20213102023007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213102023013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270184011 + ... + 270258812.

It is an arithmetic number, because the mean of its divisors is an integer number (1044135535968).

Almost surely, 220213102023023 is an apocalyptic number.

20213102023023 is a deficient number, since it is larger than the sum of its proper divisors (13199235127953).

20213102023023 is a wasteful number, since it uses less digits than its factorization.

20213102023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540442983.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20213102023023 its reverse (32032020131202), we get a palindrome (52245122154225).

The spelling of 20213102023023 in words is "twenty trillion, two hundred thirteen billion, one hundred two million, twenty-three thousand, twenty-three".

Divisors: 1 3 7 13 21 39 91 137 273 411 959 1781 2877 5343 12467 37401 540442823 1621328469 3783099761 7025756699 11349299283 21077270097 49180296893 74040666751 147540890679 222122000253 518284667257 962528667763 1554854001771 2887586003289 6737700674341 20213102023023