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101100210020 = 2257171197331
BaseRepresentation
bin101111000101000001…
…0101100011101100100
3100122221211212210122222
41132022002230131210
53124023123210040
6114240024211512
710206233414615
oct1361202543544
9318854783588
10101100210020
1139970484187
1217716309b98
1396c2734ba4
144c71215c0c
15296ab12bb5
hex178a0ac764

101100210020 has 24 divisors (see below), whose sum is σ = 215300731968. Its totient is φ = 39870504800.

The previous prime is 101100210017. The next prime is 101100210023. The reversal of 101100210020 is 20012001101.

It is an interprime number because it is at equal distance from previous prime (101100210017) and next prime (101100210023).

It is not an unprimeable number, because it can be changed into a prime (101100210023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35597246 + ... + 35600085.

It is an arithmetic number, because the mean of its divisors is an integer number (8970863832).

Almost surely, 2101100210020 is an apocalyptic number.

101100210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100210020 is an abundant number, since it is smaller than the sum of its proper divisors (114200521948).

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

101100210020 is a wasteful number, since it uses less digits than its factorization.

101100210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71197411 (or 71197409 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101100210020 its reverse (20012001101), we get a palindrome (121112211121).

The spelling of 101100210020 in words is "one hundred one billion, one hundred million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 71197331 142394662 284789324 355986655 711973310 1423946620 5055010501 10110021002 20220042004 25275052505 50550105010 101100210020