Search a number
-
+
12721607440967 = 41394897362761
BaseRepresentation
bin1011100100011111101011…
…1001000111101001000111
31200001011200200210020020202
42321013322321013221013
53131412323001102332
643020120433521115
72452051202033525
oct271077271075107
950034620706222
1012721607440967
114065226826727
12151564871319b
13713847574049
1431da2c879315
15170db8e12a62
hexb91fae47a47

12721607440967 has 8 divisors (see below), whose sum is σ = 12725143618320. Its totient is φ = 12718071495360.

The previous prime is 12721607440933. The next prime is 12721607440979. The reversal of 12721607440967 is 76904470612721.

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 12721607440967 - 210 = 12721607439943 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 (12721607440907) 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, 202667867 + ... + 202730627.

It is an arithmetic number, because the mean of its divisors is an integer number (1590642952290).

Almost surely, 212721607440967 is an apocalyptic number.

12721607440967 is a deficient number, since it is larger than the sum of its proper divisors (3536177353).

12721607440967 is an equidigital number, since it uses as much as digits as its factorization.

12721607440967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115873.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 12721607440967 in words is "twelve trillion, seven hundred twenty-one billion, six hundred seven million, four hundred forty thousand, nine hundred sixty-seven".

Divisors: 1 4139 48973 62761 202699247 259767779 3073594453 12721607440967