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2143152700 = 2252131648579
BaseRepresentation
bin111111110111101…
…1110101000111100
312112100201102210221
41333233132220330
513342121341300
6552355111124
7104052332413
oct17757365074
95470642727
102143152700
119aa832387
124b98a24a4
132820196c0
141648c047a
15c823d31a
hex7fbdea3c

2143152700 has 36 divisors (see below), whose sum is σ = 5008386040. Its totient is φ = 791317440.

The previous prime is 2143152691. The next prime is 2143152703. The reversal of 2143152700 is 72513412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143152703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822990 + ... + 825589.

Almost surely, 22143152700 is an apocalyptic number.

2143152700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143152700 is an abundant number, since it is smaller than the sum of its proper divisors (2865233340).

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

2143152700 is a wasteful number, since it uses less digits than its factorization.

2143152700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648606 (or 1648599 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2143152700 is about 46294.1972605639. The cubic root of 2143152700 is about 1289.2912598213.

The spelling of 2143152700 in words is "two billion, one hundred forty-three million, one hundred fifty-two thousand, seven hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 1648579 3297158 6594316 8242895 16485790 21431527 32971580 41214475 42863054 82428950 85726108 107157635 164857900 214315270 428630540 535788175 1071576350 2143152700