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20230302100 = 2252103219069
BaseRepresentation
bin10010110101110100…
…011110100110010100
31221012212212211100011
4102311310132212110
5312412424131400
613143233330004
71314216505411
oct226564364624
957185784304
1020230302100
118641529438
123b07106904
131ba5311578
14d9cb15108
157d60ad8ba
hex4b5d1e994

20230302100 has 54 divisors (see below), whose sum is σ = 44332429470. Its totient is φ = 8013136320.

The previous prime is 20230302049. The next prime is 20230302137. The reversal of 20230302100 is 120303202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6587594896 + 13642707204 = 81164^2 + 116802^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1051366 + ... + 1070434.

Almost surely, 220230302100 is an apocalyptic number.

20230302100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230302100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22166214735).

20230302100 is an abundant number, since it is smaller than the sum of its proper divisors (24102127370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230302100 is a wasteful number, since it uses less digits than its factorization.

20230302100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19289 (or 19179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20230302100 its reverse (120303202), we get a palindrome (20350605302).

The spelling of 20230302100 in words is "twenty billion, two hundred thirty million, three hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 103 206 412 515 1030 2060 2575 5150 10300 10609 19069 21218 38138 42436 53045 76276 95345 106090 190690 212180 265225 381380 476725 530450 953450 1060900 1906900 1964107 3928214 7856428 9820535 19641070 39282140 49102675 98205350 196410700 202303021 404606042 809212084 1011515105 2023030210 4046060420 5057575525 10115151050 20230302100