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10423042422221 = 1113431202783431
BaseRepresentation
bin1001011110101100110110…
…1111011011010111001101
31100220102200202011221202102
42113223031233123113031
52331232342330002341
634100140220204445
72124016464531662
oct227531557332715
940812622157672
1010423042422221
1133594297a0270
12120407b999725
135a7b72589c10
142806996a3a69
151311d972ac9b
hex97acdbdb5cd

10423042422221 has 32 divisors (see below), whose sum is σ = 12279866167296. Its totient is φ = 8721905688000.

The previous prime is 10423042422197. The next prime is 10423042422259. The reversal of 10423042422221 is 12222424032401.

It is a cyclic number.

It is not a de Polignac number, because 10423042422221 - 226 = 10422975313357 is a prime.

It is a super-2 number, since 2×104230424222212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423042422271) 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, 124888376 + ... + 124971806.

It is an arithmetic number, because the mean of its divisors is an integer number (383745817728).

Almost surely, 210423042422221 is an apocalyptic number.

10423042422221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10423042422221 is a deficient number, since it is larger than the sum of its proper divisors (1856823745075).

10423042422221 is a wasteful number, since it uses less digits than its factorization.

10423042422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85913.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 10423042422221 its reverse (12222424032401), we get a palindrome (22645466454622).

The spelling of 10423042422221 in words is "ten trillion, four hundred twenty-three billion, forty-two million, four hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 13 143 431 2027 4741 5603 22297 26351 61633 83431 289861 873637 917741 1084603 9610007 11357281 11930633 35958761 124930091 169114637 395546371 467463893 1860261007 2198490281 5142102823 24183393091 72888408547 801772494017 947549311111 10423042422221