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31449163183201 = 291084453902869
BaseRepresentation
bin1110010011010010101000…
…01100110011010001100001
311010100111210020220000202001
413021221110030303101201
513110230341233330301
6150515313543324001
76424061403246001
oct711512414632141
9133314706800661
1031449163183201
11a025573814565
12363b085150601
13147184961226a
147aa20d0d6001
153980e90d2c01
hex1c9a54333461

31449163183201 has 4 divisors (see below), whose sum is σ = 32533617086100. Its totient is φ = 30364709280304.

The previous prime is 31449163183159. The next prime is 31449163183223. The reversal of 31449163183201 is 10238136194413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20301738005025 + 11147425178176 = 4505745^2 + 3338776^2 .

It is a cyclic number.

It is not a de Polignac number, because 31449163183201 - 211 = 31449163181153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31449163103201) 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, 542226951406 + ... + 542226951463.

It is an arithmetic number, because the mean of its divisors is an integer number (8133404271525).

Almost surely, 231449163183201 is an apocalyptic number.

It is an amenable number.

31449163183201 is a deficient number, since it is larger than the sum of its proper divisors (1084453902899).

31449163183201 is a wasteful number, since it uses less digits than its factorization.

31449163183201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084453902898.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 31449163183201 in words is "thirty-one trillion, four hundred forty-nine billion, one hundred sixty-three million, one hundred eighty-three thousand, two hundred one".

Divisors: 1 29 1084453902869 31449163183201