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101234220140 = 2255061711007
BaseRepresentation
bin101111001001000000…
…1111001110001101100
3100200022012001012222202
41132102001321301230
53124311430021030
6114301212401032
710212451446644
oct1362201716154
9320265035882
10101234220140
1139a2a094a49
1217753176178
139714425a11
144c84d3b524
152977784745
hex1792079c6c

101234220140 has 12 divisors (see below), whose sum is σ = 212591862336. Its totient is φ = 40493688048.

The previous prime is 101234220121. The next prime is 101234220163. The reversal of 101234220140 is 41022432101.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5061711007 = 101234220140 / (1 + 0 + 1 + 2 + 3 + 4 + 2 + 2 + 0 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530855484 + ... + 2530855523.

It is an arithmetic number, because the mean of its divisors is an integer number (17715988528).

Almost surely, 2101234220140 is an apocalyptic number.

101234220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101234220140 is an abundant number, since it is smaller than the sum of its proper divisors (111357642196).

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

101234220140 is a wasteful number, since it uses less digits than its factorization.

101234220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061711016 (or 5061711014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101234220140 its reverse (41022432101), we get a palindrome (142256652241).

The spelling of 101234220140 in words is "one hundred one billion, two hundred thirty-four million, two hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5061711007 10123422014 20246844028 25308555035 50617110070 101234220140