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1012212330 = 23537911903
BaseRepresentation
bin111100010101010…
…010001001101010
32121112122201021120
4330111102021222
54033111243310
6244235120110
734040443233
oct7425221152
92545581246
101012212330
1147a405118
12242ba3036
13131924a0c
149860a08a
155dce4b70
hex3c55226a

1012212330 has 32 divisors (see below), whose sum is σ = 2494969344. Its totient is φ = 262627776.

The previous prime is 1012212323. The next prime is 1012212353. The reversal of 1012212330 is 332122101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454842 + ... + 457061.

It is an arithmetic number, because the mean of its divisors is an integer number (77967792).

Almost surely, 21012212330 is an apocalyptic number.

1012212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012212330 is an abundant number, since it is smaller than the sum of its proper divisors (1482757014).

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

1012212330 is a wasteful number, since it uses less digits than its factorization.

1012212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911950.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012212330 is about 31815.2845343241. The cubic root of 1012212330 is about 1004.0543169663.

Adding to 1012212330 its reverse (332122101), we get a palindrome (1344334431).

The spelling of 1012212330 in words is "one billion, twelve million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 911903 1823806 2735709 4559515 5471418 9119030 13678545 27357090 33740411 67480822 101221233 168702055 202442466 337404110 506106165 1012212330