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1914938498 = 2112292972
BaseRepresentation
bin111001000100011…
…1010010010000010
311221110021221210002
41302020322102002
512410211012443
6514003440002
765311465034
oct16210722202
94843257702
101914938498
118a2a29700
12455386002
13246964205
14142475c54
15b31ae2b8
hex7223a482

1914938498 has 54 divisors (see below), whose sum is σ = 3303958203. Its totient is φ = 831747840.

The previous prime is 1914938453. The next prime is 1914938569. The reversal of 1914938498 is 8948394191.

It can be written as a sum of positive squares in 5 ways, for example, as 906431449 + 1008507049 = 30107^2 + 31757^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=30943.

It is a super-2 number, since 2×19149384982 = 7333978902244992008, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19741586 + ... + 19741682.

Almost surely, 21914938498 is an apocalyptic number.

1914938498 is a deficient number, since it is larger than the sum of its proper divisors (1389019705).

1914938498 is an equidigital number, since it uses as much as digits as its factorization.

1914938498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 139 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The square root of 1914938498 is about 43760.0102605107. The cubic root of 1914938498 is about 1241.7998701673.

It can be divided in two parts, 191493 and 8498, that added together give a palindrome (199991).

The spelling of 1914938498 in words is "one billion, nine hundred fourteen million, nine hundred thirty-eight thousand, four hundred ninety-eight".

Divisors: 1 2 11 22 29 58 97 121 194 242 319 638 841 1067 1682 2134 2813 3509 5626 7018 9251 9409 11737 18502 18818 23474 30943 61886 81577 101761 103499 163154 203522 206998 272861 340373 545722 680746 897347 1138489 1794694 2276978 3001471 6002942 7912969 9870817 15825938 19741634 33016181 66032362 87042659 174085318 957469249 1914938498