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20312460141603 = 378311653735021
BaseRepresentation
bin1001001111001010111001…
…11110001010010000100011
32122220212000021100022100220
410213211130332022100203
510130244404244012403
6111111225415214123
74164345461266560
oct447453476122043
978825007308326
1020312460141603
116521514229123
122340835977343
13b445c26b4ca6
145031b2159867
152535913a8953
hex12795cf8a423

20312460141603 has 16 divisors (see below), whose sum is σ = 31325239739136. Its totient is φ = 11467275259680.

The previous prime is 20312460141593. The next prime is 20312460141739. The reversal of 20312460141603 is 30614106421302.

It is a happy number.

It is not a de Polignac number, because 20312460141603 - 24 = 20312460141587 is a prime.

It is a super-2 number, since 2×203124601416032 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20312460141803) 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, 5826865768 + ... + 5826869253.

It is an arithmetic number, because the mean of its divisors is an integer number (1957827483696).

Almost surely, 220312460141603 is an apocalyptic number.

20312460141603 is a deficient number, since it is larger than the sum of its proper divisors (11012779597533).

20312460141603 is a wasteful number, since it uses less digits than its factorization.

20312460141603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11653735114.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 20312460141603 its reverse (30614106421302), we get a palindrome (50926566562905).

The spelling of 20312460141603 in words is "twenty trillion, three hundred twelve billion, four hundred sixty million, one hundred forty-one thousand, six hundred three".

Divisors: 1 3 7 21 83 249 581 1743 11653735021 34961205063 81576145147 244728435441 967260006743 2901780020229 6770820047201 20312460141603