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2098629931 = 2124798773
BaseRepresentation
bin111110100010110…
…1000110100101011
312102020221110001111
41331011220310223
513244222124211
6544124531151
7103002026416
oct17505506453
95366843044
102098629931
11987692802
124a69b0ab7
13275a2b378
1415ca10b7d
15c4396421
hex7d168d2b

2098629931 has 4 divisors (see below), whose sum is σ = 2098749952. Its totient is φ = 2098509912.

The previous prime is 2098629919. The next prime is 2098629937. The reversal of 2098629931 is 1399268902.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2098629931 is a prime.

It is a super-2 number, since 2×20986299312 = 8808495174578129522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098629937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28140 + ... + 70633.

It is an arithmetic number, because the mean of its divisors is an integer number (524687488).

Almost surely, 22098629931 is an apocalyptic number.

2098629931 is a deficient number, since it is larger than the sum of its proper divisors (120021).

2098629931 is an equidigital number, since it uses as much as digits as its factorization.

2098629931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120020.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 2098629931 is about 45810.8058322488. The cubic root of 2098629931 is about 1280.3006152250.

The spelling of 2098629931 in words is "two billion, ninety-eight million, six hundred twenty-nine thousand, nine hundred thirty-one".

Divisors: 1 21247 98773 2098629931