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1151302997 = 13103859823
BaseRepresentation
bin100010010011111…
…0111110101010101
32222020101020210202
41010213313311111
54324213143442
6310124230245
740346625335
oct10447676525
92866336722
101151302997
11540975a89
1228169b385
131546a41a0
14acc950c5
156b11bc32
hex449f7d55

1151302997 has 8 divisors (see below), whose sum is σ = 1251903744. Its totient is φ = 1052422128.

The previous prime is 1151302993. The next prime is 1151303051. The reversal of 1151302997 is 7992031511.

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 1151302997 - 22 = 1151302993 is a prime.

It is a super-3 number, since 3×11513029973 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1151302997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151302993) 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, 428573 + ... + 431250.

It is an arithmetic number, because the mean of its divisors is an integer number (156487968).

Almost surely, 21151302997 is an apocalyptic number.

It is an amenable number.

1151302997 is a deficient number, since it is larger than the sum of its proper divisors (100600747).

1151302997 is a wasteful number, since it uses less digits than its factorization.

1151302997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859939.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 1151302997 is about 33930.8561194674. The cubic root of 1151302997 is about 1048.0850955148.

The spelling of 1151302997 in words is "one billion, one hundred fifty-one million, three hundred two thousand, nine hundred ninety-seven".

Divisors: 1 13 103 1339 859823 11177699 88561769 1151302997