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214289307500 = 225485715723
BaseRepresentation
bin1100011110010010100…
…0110101011101101100
3202111010012010201100112
43013210220311131230
512002331030320000
6242235415315152
721324201026432
oct3074450653554
9674105121315
10214289307500
1182974800444
123564507bab8
1317290854008
14a52bb86d52
155892ba3235
hex31e4a3576c

214289307500 has 30 divisors (see below), whose sum is σ = 468607863108. Its totient is φ = 85715722000.

The previous prime is 214289307497. The next prime is 214289307527. The reversal of 214289307500 is 5703982412.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42855362 + ... + 42860361.

Almost surely, 2214289307500 is an apocalyptic number.

214289307500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214289307500 is an abundant number, since it is smaller than the sum of its proper divisors (254318555608).

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

214289307500 is an equidigital number, since it uses as much as digits as its factorization.

214289307500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85715747 (or 85715730 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 214289307500 in words is "two hundred fourteen billion, two hundred eighty-nine million, three hundred seven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 85715723 171431446 342862892 428578615 857157230 1714314460 2142893075 4285786150 8571572300 10714465375 21428930750 42857861500 53572326875 107144653750 214289307500