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20103223101 = 3131256941011
BaseRepresentation
bin10010101110001111…
…101101011100111101
31220220000202112201120
4102232033231130331
5312132411114401
613122453501153
71311114401613
oct225617553475
956800675646
1020103223101
118586822075
123a906417b9
131b84ba94b0
14d89cb56b3
157c9d5a836
hex4ae3ed73d

20103223101 has 16 divisors (see below), whose sum is σ = 28869167040. Its totient is φ = 12369928320.

The previous prime is 20103223093. The next prime is 20103223109. The reversal of 20103223101 is 10132230102.

It is an interprime number because it is at equal distance from previous prime (20103223093) and next prime (20103223109).

It is not a de Polignac number, because 20103223101 - 23 = 20103223093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103223109) 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, 469686 + ... + 510696.

It is an arithmetic number, because the mean of its divisors is an integer number (1804322940).

Almost surely, 220103223101 is an apocalyptic number.

It is an amenable number.

20103223101 is a deficient number, since it is larger than the sum of its proper divisors (8765943939).

20103223101 is a wasteful number, since it uses less digits than its factorization.

20103223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53596.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20103223101 its reverse (10132230102), we get a palindrome (30235453203).

The spelling of 20103223101 in words is "twenty billion, one hundred three million, two hundred twenty-three thousand, one hundred one".

Divisors: 1 3 13 39 12569 37707 41011 123033 163397 490191 533143 1599429 515467259 1546401777 6701074367 20103223101