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101223230100 = 223521789188603
BaseRepresentation
bin101111001000101011…
…1111110101010010100
3100200021102100212111020
41132101113332222110
53124301121330400
6114300141041140
710212256155006
oct1362127765224
9320242325436
10101223230100
1139a23968a73
121774b5561b0
139712078635
144c836ba376
1529768132a0
hex17915fea94

101223230100 has 72 divisors (see below), whose sum is σ = 293037806880. Its totient is φ = 26977630080.

The previous prime is 101223230077. The next prime is 101223230107. The reversal of 101223230100 is 1032322101.

It is a super-2 number, since 2×1012232301002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101223230100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223230107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442399 + ... + 631001.

It is an arithmetic number, because the mean of its divisors is an integer number (4069969540).

Almost surely, 2101223230100 is an apocalyptic number.

101223230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101223230100 is an abundant number, since it is smaller than the sum of its proper divisors (191814576780).

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

101223230100 is a wasteful number, since it uses less digits than its factorization.

101223230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190409 (or 190402 counting only the distinct ones).

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

Adding to 101223230100 its reverse (1032322101), we get a palindrome (102255552201).

The spelling of 101223230100 in words is "one hundred one billion, two hundred twenty-three million, two hundred thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1789 3578 5367 7156 8945 10734 17890 21468 26835 35780 44725 53670 89450 107340 134175 178900 188603 268350 377206 536700 565809 754412 943015 1131618 1886030 2263236 2829045 3772060 4715075 5658090 9430150 11316180 14145225 18860300 28290450 56580900 337410767 674821534 1012232301 1349643068 1687053835 2024464602 3374107670 4048929204 5061161505 6748215340 8435269175 10122323010 16870538350 20244646020 25305807525 33741076700 50611615050 101223230100