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101143402444 = 22771214323741
BaseRepresentation
bin101111000110010011…
…1011101011111001100
3100200001212011012112101
41132030213131133030
53124120202334234
6114244210044444
710210266510220
oct1361447353714
9320055135471
10101143402444
11399928a52a7
1217728879724
1396cb678836
144c76c5a780
15296e7e5814
hex178c9dd7cc

101143402444 has 48 divisors (see below), whose sum is σ = 205240283136. Its totient is φ = 42714907200.

The previous prime is 101143402429. The next prime is 101143402517. The reversal of 101143402444 is 444204341101.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4248414 + ... + 4272154.

It is an arithmetic number, because the mean of its divisors is an integer number (4275839232).

Almost surely, 2101143402444 is an apocalyptic number.

101143402444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

101143402444 is an abundant number, since it is smaller than the sum of its proper divisors (104096880692).

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

101143402444 is a wasteful number, since it uses less digits than its factorization.

101143402444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25966 (or 25964 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 101143402444 its reverse (444204341101), we get a palindrome (545347743545).

The spelling of 101143402444 in words is "one hundred one billion, one hundred forty-three million, four hundred two thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 2143 4286 8572 15001 23741 30002 47482 60004 94964 152153 166187 304306 332374 608612 664748 1065071 1685611 2130142 3371222 4260284 6742444 11799277 23598554 47197108 50876963 101753926 203507852 356138741 712277482 1424554964 3612264373 7224528746 14449057492 25285850611 50571701222 101143402444