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1012420223 = 11322340177
BaseRepresentation
bin111100010110000…
…100111001111111
32121120001021110022
4330112010321333
54033134421343
6244243402355
734042300313
oct7426047177
92546037408
101012420223
1147a537331
122430833bb
13131998529
1498661b43
155dd36568
hex3c584e7f

1012420223 has 8 divisors (see below), whose sum is σ = 1025985408. Its totient is φ = 998936064.

The previous prime is 1012420219. The next prime is 1012420229. The reversal of 1012420223 is 3220242101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012420223 - 22 = 1012420219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012420229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5111 + ... + 45287.

It is an arithmetic number, because the mean of its divisors is an integer number (128248176).

Almost surely, 21012420223 is an apocalyptic number.

1012420223 is a deficient number, since it is larger than the sum of its proper divisors (13565185).

1012420223 is a wasteful number, since it uses less digits than its factorization.

1012420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40513.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1012420223 is about 31818.5515540856. The cubic root of 1012420223 is about 1004.1230514170.

Adding to 1012420223 its reverse (3220242101), we get a palindrome (4232662324).

The spelling of 1012420223 in words is "one billion, twelve million, four hundred twenty thousand, two hundred twenty-three".

Divisors: 1 113 223 25199 40177 4540001 8959471 1012420223