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101023111210 = 2576767731817
BaseRepresentation
bin101111000010101110…
…0100101100000101010
3100122202110210202222111
41132011130211200222
53123343404024320
6114224231512534
710204306164010
oct1360534454052
9318673722874
10101023111210
1139930a0475a
12176b452874a
1396ac77c1a8
144c64ca68b0
152963e83a5a
hex178572582a

101023111210 has 64 divisors (see below), whose sum is σ = 211238938368. Its totient is φ = 34068063744.

The previous prime is 101023111141. The next prime is 101023111219. The reversal of 101023111210 is 12111320101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101023111219) 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 31 ways as a sum of consecutive naturals, for example, 3159222 + ... + 3191038.

It is an arithmetic number, because the mean of its divisors is an integer number (3300608412).

Almost surely, 2101023111210 is an apocalyptic number.

101023111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101023111210 is an abundant number, since it is smaller than the sum of its proper divisors (110215827158).

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

101023111210 is a wasteful number, since it uses less digits than its factorization.

101023111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32575.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101023111210 its reverse (12111320101), we get a palindrome (113134431311).

The spelling of 101023111210 in words is "one hundred one billion, twenty-three million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 677 938 1354 2345 3385 4690 4739 6770 9478 23695 31817 45359 47390 63634 90718 159085 222719 226795 317513 318170 445438 453590 635026 1113595 1587565 2131739 2227190 3175130 4263478 10658695 14922173 21317390 21540109 29844346 43080218 74610865 107700545 149221730 150780763 215401090 301561526 753903815 1443187303 1507807630 2886374606 7215936515 10102311121 14431873030 20204622242 50511555605 101023111210