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207213191310 = 23511489601193
BaseRepresentation
bin1100000011111011011…
…1100110000010001110
3201210212001011202210010
43000332313212002032
511343333034110220
6235105321454050
720653636031166
oct3007667460216
9653761152703
10207213191310
117a973498634
12341ab341326
131670384a708
14a05a0955a6
1555cb8511e0
hex303ede608e

207213191310 has 32 divisors (see below), whose sum is σ = 497355772320. Its totient is φ = 55251949568.

The previous prime is 207213191309. The next prime is 207213191323. The reversal of 207213191310 is 13191312702.

207213191310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2072131913102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 44074 + ... + 645266.

It is an arithmetic number, because the mean of its divisors is an integer number (15542367885).

Almost surely, 2207213191310 is an apocalyptic number.

207213191310 is an abundant number, since it is smaller than the sum of its proper divisors (290142581010).

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

207213191310 is a wasteful number, since it uses less digits than its factorization.

207213191310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612692.

The product of its (nonzero) digits is 2268, while the sum is 30.

The spelling of 207213191310 in words is "two hundred seven billion, two hundred thirteen million, one hundred ninety-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 11489 22978 34467 57445 68934 114890 172335 344670 601193 1202386 1803579 3005965 3607158 6011930 9017895 18035790 6907106377 13814212754 20721319131 34535531885 41442638262 69071063770 103606595655 207213191310