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1272297314 = 21973229181
BaseRepresentation
bin100101111010101…
…1011011101100010
310021200001101210202
41023311123131202
510101202003224
6330125425202
743346230421
oct11365333542
93250041722
101272297314
115a31a6892
122b610b202
13173788862
14c0d8d2b8
1576a6beae
hex4bd5b762

1272297314 has 8 divisors (see below), whose sum is σ = 1918134108. Its totient is φ = 632919280.

The previous prime is 1272297269. The next prime is 1272297317. The reversal of 1272297314 is 4137922721.

It can be written as a sum of positive squares in 2 ways, for example, as 1268428225 + 3869089 = 35615^2 + 1967^2 .

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

It is a super-2 number, since 2×12722973142 = 3237480910423229192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1272297317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614197 + ... + 1614984.

Almost surely, 21272297314 is an apocalyptic number.

1272297314 is a deficient number, since it is larger than the sum of its proper divisors (645836794).

1272297314 is a wasteful number, since it uses less digits than its factorization.

1272297314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229380.

The product of its digits is 42336, while the sum is 38.

The square root of 1272297314 is about 35669.2768920257. The cubic root of 1272297314 is about 1083.5847146080.

The spelling of 1272297314 in words is "one billion, two hundred seventy-two million, two hundred ninety-seven thousand, three hundred fourteen".

Divisors: 1 2 197 394 3229181 6458362 636148657 1272297314