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103202023021 = 2943116371161
BaseRepresentation
bin110000000011101010…
…0011110011001101101
3100212101022210222001221
41200013110132121231
53142324204214041
6115224345303341
710312304502406
oct1400724363155
9325338728057
10103202023021
113a849940419
1218002194b51
139969009016
144dd04149ad
152a403d72d1
hex180751e66d

103202023021 has 16 divisors (see below), whose sum is σ = 109338989760. Its totient is φ = 97240993920.

The previous prime is 103202023013. The next prime is 103202023051. The reversal of 103202023021 is 120320202301.

It is a cyclic number.

It is not a de Polignac number, because 103202023021 - 23 = 103202023013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103202022986 and 103202023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202023051) 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, 1414681 + ... + 1485841.

It is an arithmetic number, because the mean of its divisors is an integer number (6833686860).

Almost surely, 2103202023021 is an apocalyptic number.

It is an amenable number.

103202023021 is a deficient number, since it is larger than the sum of its proper divisors (6136966739).

103202023021 is a wasteful number, since it uses less digits than its factorization.

103202023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72396.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 103202023021 its reverse (120320202301), we get a palindrome (223522225322).

The spelling of 103202023021 in words is "one hundred three billion, two hundred two million, twenty-three thousand, twenty-one".

Divisors: 1 29 43 1163 1247 33727 50009 71161 1450261 2063669 3059923 82760243 88737767 2400047047 3558690449 103202023021