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100212320020 = 22579106159779
BaseRepresentation
bin101110101010100011…
…1101010011100010100
3100120122222011022120011
41131111013222130110
53120213323220040
6114011545450004
710145232444211
oct1352507523424
9316588138504
10100212320020
113955527329a
1217508aa0904
1395b07bb5a7
144bc932cb08
152917bc93ea
hex17551ea714

100212320020 has 48 divisors (see below), whose sum is σ = 213314169600. Its totient is φ = 39539560320.

The previous prime is 100212320009. The next prime is 100212320051. The reversal of 100212320020 is 20023212001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646491 + ... + 1706269.

It is an arithmetic number, because the mean of its divisors is an integer number (4444045200).

Almost surely, 2100212320020 is an apocalyptic number.

100212320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212320020 is an abundant number, since it is smaller than the sum of its proper divisors (113101849580).

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

100212320020 is a wasteful number, since it uses less digits than its factorization.

100212320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60928 (or 60926 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100212320020 its reverse (20023212001), we get a palindrome (120235532021).

The spelling of 100212320020 in words is "one hundred billion, two hundred twelve million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1061 1580 2122 4244 5305 10610 21220 59779 83819 119558 167638 239116 298895 335276 419095 597790 838190 1195580 1676380 4722541 9445082 18890164 23612705 47225410 63425519 94450820 126851038 253702076 317127595 634255190 1268510380 5010616001 10021232002 20042464004 25053080005 50106160010 100212320020