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1144401310997 = 72341391717343
BaseRepresentation
bin10000101001110011101…
…000100011010100010101
311001101220021222001212122
4100221303220203110111
5122222213213422442
62233421455425325
7145452221433560
oct20516350432425
94041807861778
101144401310997
1140137978413a
12165961825245
1383bbb95c469
143d5644114d7
151eb7da7edd2
hex10a73a23515

1144401310997 has 16 divisors (see below), whose sum is σ = 1365082398720. Its totient is φ = 938039677872.

The previous prime is 1144401310991. The next prime is 1144401311029. The reversal of 1144401310997 is 7990131044411.

It is a cyclic number.

It is not a de Polignac number, because 1144401310997 - 24 = 1144401310981 is a prime.

It is a super-2 number, since 2×11444013109972 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144401310991) 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, 192293 + ... + 1525050.

It is an arithmetic number, because the mean of its divisors is an integer number (85317649920).

Almost surely, 21144401310997 is an apocalyptic number.

It is an amenable number.

1144401310997 is a deficient number, since it is larger than the sum of its proper divisors (220681087723).

1144401310997 is a wasteful number, since it uses less digits than its factorization.

1144401310997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721512.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 1144401310997 in words is "one trillion, one hundred forty-four billion, four hundred one million, three hundred ten thousand, nine hundred ninety-seven".

Divisors: 1 7 23 161 4139 28973 95197 666379 1717343 12021401 39498889 276492223 7108082677 49756578739 163485901571 1144401310997