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2491701401 = 72192676371
BaseRepresentation
bin1001010010000100…
…0101100010011001
320102122120112202002
42110201011202121
520100333421101
61051125450345
7115514053400
oct22441054231
96378515662
102491701401
111069556162
125965709b5
133092b5137
14198cd0637
15e8b3bd6b
hex94845899

2491701401 has 12 divisors (see below), whose sum is σ = 3051064080. Its totient is φ = 2023335720.

The previous prime is 2491701379. The next prime is 2491701409. The reversal of 2491701401 is 1041071942.

It is not a de Polignac number, because 2491701401 - 218 = 2491439257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2491701409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1337255 + ... + 1339116.

It is an arithmetic number, because the mean of its divisors is an integer number (254255340).

Almost surely, 22491701401 is an apocalyptic number.

It is an amenable number.

2491701401 is a deficient number, since it is larger than the sum of its proper divisors (559362679).

2491701401 is a wasteful number, since it uses less digits than its factorization.

2491701401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676404 (or 2676397 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2491701401 is about 49916.9450287175. The cubic root of 2491701401 is about 1355.7054193775.

The spelling of 2491701401 in words is "two billion, four hundred ninety-one million, seven hundred one thousand, four hundred one".

Divisors: 1 7 19 49 133 931 2676371 18734597 50851049 131142179 355957343 2491701401