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2494989699 = 32359612869
BaseRepresentation
bin1001010010110110…
…1000010110000011
320102212202121102220
42110231220112003
520102204132244
61051324142123
7115554030306
oct22455502603
96385677386
102494989699
1110703a1764
12597697943
13309b96a87
14199508b3d
15e908b319
hex94b68583

2494989699 has 16 divisors (see below), whose sum is σ = 3530131200. Its totient is φ = 1564039136.

The previous prime is 2494989697. The next prime is 2494989737. The reversal of 2494989699 is 9969894942.

It is a cyclic number.

It is not a de Polignac number, because 2494989699 - 21 = 2494989697 is a prime.

It is a super-2 number, since 2×24949896992 = 12449947196232221202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (2494989697) 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, 302364 + ... + 310505.

It is an arithmetic number, because the mean of its divisors is an integer number (220633200).

Almost surely, 22494989699 is an apocalyptic number.

2494989699 is a deficient number, since it is larger than the sum of its proper divisors (1035141501).

2494989699 is a wasteful number, since it uses less digits than its factorization.

2494989699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612954.

The product of its digits is 90699264, while the sum is 69.

The square root of 2494989699 is about 49949.8718616975. The cubic root of 2494989699 is about 1356.3015319770.

The spelling of 2494989699 in words is "two billion, four hundred ninety-four million, nine hundred eighty-nine thousand, six hundred ninety-nine".

Divisors: 1 3 23 59 69 177 1357 4071 612869 1838607 14095987 36159271 42287961 108477813 831663233 2494989699