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20401034102 = 261792116729
BaseRepresentation
bin10010111111111111…
…110001001101110110
31221122210010220121122
4102333333301031312
5313240131042402
613212212543542
71321361633351
oct227777611566
957583126548
1020401034102
118719940969
123b54321bb2
131c017bbb17
14db7679298
157e6085ca2
hex4bfff1376

20401034102 has 16 divisors (see below), whose sum is σ = 31496942400. Its totient is φ = 9906287040.

The previous prime is 20401034099. The next prime is 20401034107. The reversal of 20401034102 is 20143010402.

20401034102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×204010341023 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401034107) 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, 1048727 + ... + 1068002.

It is an arithmetic number, because the mean of its divisors is an integer number (1968558900).

Almost surely, 220401034102 is an apocalyptic number.

20401034102 is a deficient number, since it is larger than the sum of its proper divisors (11095908298).

20401034102 is a wasteful number, since it uses less digits than its factorization.

20401034102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116871.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20401034102 its reverse (20143010402), we get a palindrome (40544044504).

The spelling of 20401034102 in words is "twenty billion, four hundred one million, thirty-four thousand, one hundred two".

Divisors: 1 2 61 79 122 158 4819 9638 2116729 4233458 129120469 167221591 258240938 334443182 10200517051 20401034102