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20231002102 = 21071572512399
BaseRepresentation
bin10010110101110111…
…001001011111110110
31221012221012101120011
4102311313021133312
5312413114031402
613143300330434
71314225452263
oct226567113766
957187171504
1020231002102
118641967353
123b073a3a1a
131ba54c807c
14d9cc5826a
157d619aed7
hex4b5dc97f6

20231002102 has 32 divisors (see below), whose sum is σ = 30960921600. Its totient is φ = 9913332000.

The previous prime is 20231002097. The next prime is 20231002109. The reversal of 20231002102 is 20120013202.

Adding to 20231002102 its reverse (20120013202), we get a palindrome (40351015304).

It can be divided in two parts, 2023100 and 2102, that added together give a palindrome (2025202).

It is a super-2 number, since 2×202310021022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231002109) 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, 8431899 + ... + 8434297.

It is an arithmetic number, because the mean of its divisors is an integer number (967528800).

Almost surely, 220231002102 is an apocalyptic number.

20231002102 is a deficient number, since it is larger than the sum of its proper divisors (10729919498).

20231002102 is a wasteful number, since it uses less digits than its factorization.

20231002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 48, while the sum is 13.

The spelling of 20231002102 in words is "twenty billion, two hundred thirty-one million, two thousand, one hundred two".

Divisors: 1 2 107 157 214 251 314 502 2399 4798 16799 26857 33598 39407 53714 78814 256693 376643 513386 602149 753286 1204298 4216549 8433098 40300801 64429943 80601602 94537393 128859886 189074786 10115501051 20231002102