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203213001442 = 2119236954611
BaseRepresentation
bin1011110101000001110…
…0000101001011100010
3201102112021010001212211
42331100130011023202
511312140012021232
6233204343512334
720452544004103
oct2752034051342
9642467101784
10203213001442
11792004947a0
12334737586aa
1316216b90769
149b9aad23aa
15544558ea47
hex2f507052e2

203213001442 has 8 divisors (see below), whose sum is σ = 332530366032. Its totient is φ = 92369546100.

The previous prime is 203213001427. The next prime is 203213001449. The reversal of 203213001442 is 244100312302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9236954611 = 203213001442 / (2 + 0 + 3 + 2 + 1 + 3 + 0 + 0 + 1 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (203213001449) 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 3 ways as a sum of consecutive naturals, for example, 4618477284 + ... + 4618477327.

It is an arithmetic number, because the mean of its divisors is an integer number (41566295754).

Almost surely, 2203213001442 is an apocalyptic number.

203213001442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203213001442 is a deficient number, since it is larger than the sum of its proper divisors (129317364590).

203213001442 is a wasteful number, since it uses less digits than its factorization.

203213001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236954624.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203213001442 its reverse (244100312302), we get a palindrome (447313313744).

The spelling of 203213001442 in words is "two hundred three billion, two hundred thirteen million, one thousand, four hundred forty-two".

Divisors: 1 2 11 22 9236954611 18473909222 101606500721 203213001442