Search a number
-
+
101100223100 = 225241211111681
BaseRepresentation
bin101111000101000001…
…0101111101001111100
3100122221211220110121102
41132022002233221330
53124023124114400
6114240024352232
710206233501012
oct1361202575174
9318854813542
10101100223100
1139970492a98
1217716315678
1396c273ab26
144c7121a8b2
15296ab169d5
hex178a0afa7c

101100223100 has 72 divisors (see below), whose sum is σ = 224864107776. Its totient is φ = 39431680000.

The previous prime is 101100223043. The next prime is 101100223109. The reversal of 101100223100 is 1322001101.

It is a super-2 number, since 2×1011002231002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100223109) 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, 8649260 + ... + 8660940.

It is an arithmetic number, because the mean of its divisors is an integer number (3123112608).

Almost surely, 2101100223100 is an apocalyptic number.

101100223100 is a gapful number since it is divisible by the number (10) 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 101100223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112432053888).

101100223100 is an abundant number, since it is smaller than the sum of its proper divisors (123763884676).

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

101100223100 is a wasteful number, since it uses less digits than its factorization.

101100223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13847 (or 13840 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 101100223100 its reverse (1322001101), we get a palindrome (102422224201).

The spelling of 101100223100 in words is "one hundred one billion, one hundred million, two hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 410 820 1025 2050 2111 4100 4222 8444 10555 11681 21110 23362 42220 46724 52775 58405 86551 105550 116810 173102 211100 233620 292025 346204 432755 478921 584050 865510 957842 1168100 1731020 1915684 2163775 2394605 4327550 4789210 8655100 9578420 11973025 23946050 24658591 47892100 49317182 98634364 123292955 246585910 493171820 616464775 1011002231 1232929550 2022004462 2465859100 4044008924 5055011155 10110022310 20220044620 25275055775 50550111550 101100223100