Search a number
-
+
3100020100 = 2252281110321
BaseRepresentation
bin1011100011000110…
…1000110110000100
322000001020100010021
42320301220312010
522322101120400
61231340104524
7136551510322
oct27061506604
98001210107
103100020100
111350975a91
12726235144
133a5334228
14215a00d12
1513224e71a
hexb8c68d84

3100020100 has 36 divisors (see below), whose sum is σ = 6751044468. Its totient is φ = 1235584000.

The previous prime is 3100020083. The next prime is 3100020137. The reversal of 3100020100 is 10200013.

It can be written as a sum of positive squares in 6 ways, for example, as 14884164 + 3085135936 = 3858^2 + 55544^2 .

It is a super-2 number, since 2×31000201002 = 19220249240808020000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27061 + ... + 83260.

It is an arithmetic number, because the mean of its divisors is an integer number (187529013).

Almost surely, 23100020100 is an apocalyptic number.

It is an amenable number.

3100020100 is an abundant number, since it is smaller than the sum of its proper divisors (3651024368).

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

3100020100 is a wasteful number, since it uses less digits than its factorization.

3100020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110616 (or 110609 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 3100020100 is about 55677.8241313362. The cubic root of 3100020100 is about 1458.1028871967.

Adding to 3100020100 its reverse (10200013), we get a palindrome (3110220113).

The spelling of 3100020100 in words is "three billion, one hundred million, twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 281 562 1124 1405 2810 5620 7025 14050 28100 110321 220642 441284 551605 1103210 2206420 2758025 5516050 11032100 31000201 62000402 124000804 155001005 310002010 620004020 775005025 1550010050 3100020100