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213024000442 = 21115193637327
BaseRepresentation
bin1100011001100100111…
…0000100100110111010
3202100212000020110101011
43012121032010212322
511442233121003232
6241510055344134
721250635061531
oct3063116044672
9670760213334
10213024000442
1182385549530
123535138204a
131711b675106
14a44bad7318
15581ba67547
hex31993849ba

213024000442 has 16 divisors (see below), whose sum is σ = 348608218752. Its totient is φ = 96822565920.

The previous prime is 213024000421. The next prime is 213024000451. The reversal of 213024000442 is 244000420312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15583 + ... + 652909.

It is an arithmetic number, because the mean of its divisors is an integer number (21788013672).

Almost surely, 2213024000442 is an apocalyptic number.

213024000442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213024000442 is a deficient number, since it is larger than the sum of its proper divisors (135584218310).

213024000442 is a wasteful number, since it uses less digits than its factorization.

213024000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652533.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 213024000442 its reverse (244000420312), we get a palindrome (457024420754).

The spelling of 213024000442 in words is "two hundred thirteen billion, twenty-four million, four hundred forty-two", and thus it is an aban number.

Divisors: 1 2 11 22 15193 30386 167123 334246 637327 1274654 7010597 14021194 9682909111 19365818222 106512000221 213024000442