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1012212422 = 2131917911447
BaseRepresentation
bin111100010101010…
…010001011000110
32121112122201101222
4330111102023012
54033111244142
6244235120342
734040443424
oct7425221306
92545581358
101012212422
1147a4051a1
12242ba30b2
13131924a80
149860a114
155dce4bd2
hex3c5522c6

1012212422 has 32 divisors (see below), whose sum is σ = 1730937600. Its totient is φ = 440075808.

The previous prime is 1012212413. The next prime is 1012212427. The reversal of 1012212422 is 2242122101.

It is a super-2 number, since 2×10122124222 = 2049147974502212168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012212422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012212427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82703 + ... + 94149.

It is an arithmetic number, because the mean of its divisors is an integer number (54091800).

Almost surely, 21012212422 is an apocalyptic number.

1012212422 is a deficient number, since it is larger than the sum of its proper divisors (718725178).

1012212422 is a wasteful number, since it uses less digits than its factorization.

1012212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1012212422 is about 31815.2859801700. The cubic root of 1012212422 is about 1004.0543473858.

Adding to 1012212422 its reverse (2242122101), we get a palindrome (3254334523).

The spelling of 1012212422 in words is "one billion, twelve million, two hundred twelve thousand, four hundred twenty-two".

Divisors: 1 2 13 19 26 38 179 247 358 494 2327 3401 4654 6802 11447 22894 44213 88426 148811 217493 297622 434986 2049013 2827409 4098026 5654818 26637169 38931247 53274338 77862494 506106211 1012212422